How to Replace Intake Manifold Gaskets 96-99 GMC K1500 5.7L
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In this video, 1A Auto shows you how to replace the intake manifold gaskets on a small block Chevy 350 / 5.7L engine. While we did this on a 1996 GMC Sierra K1500, this process is essentially the same on all small block Chevrolet engines.
This process should be similar on the following vehicles:
1988 GMC K1500 Truck
1989 GMC K1500 Truck
1990 GMC K1500 Truck
1991 GMC K1500 Truck
1992 GMC K1500 Truck
1993 GMC K1500 Truck
1994 GMC K1500 Truck
1995 GMC K1500 Truck
1996 GMC K1500 Truck
1997 GMC K1500 Truck
1998 GMC K1500 Truck
1999 GMC K1500 Truck
🔧 List of tools used:
• Flat Blade Screwdriver 1aau.to/oaVe/1A...
• Pry Bar 1aau.to/oFB/1AX...
• Complete Metric Wrench Set 1aau.to/oHZ/1AX...
• Complete Metric Socket Set 1aau.to/oWB/1AX...
• Adjustable Wrench
• T20 Driver 1aau.to/ozN/1AX...
• Ratchet 1aau.to/oa8m/1A...
• Socket Extensions 1aau.to/oaTG/1A...
• Torque Wrench 1aau.to/oafb/1A...
• Anti-Seize Grease
• Brake Parts Cleaner
• Bungee Cord
• Gloves 1aau.to/orS/1AX...
• Marker / Writing Utensil
• Painter's Tape
• Paper Towels 1aau.to/ouV/1AX...
• Rust Penetrant
• Safety Glasses 1aau.to/om5/1AX...
• Wire Ties
• Drain Pan 1aau.to/orS/1AX...
• Flashlight 1aau.to/obv/1AX...
• Razor Blade / Gasket Scraper 1aau.to/ogr/1AX...
• Wire Brush 1aau.to/oou/1AX...
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⚠ DISCLAIMER:
While 1A Auto strives to make the information provided in this video as accurate as possible, it makes no claims, promises, or guarantees about the accuracy, completeness or applicability of the content. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. All do-it-yourself projects entail some risk. It is the sole responsibility of the viewer to assume this risk. 1A Auto is not responsible or liable for any loss damage (including, but not limited to, actual, consequential, or punitive), liability, claim, or any other injury or cause related to or resulting from any information posted in this video.
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How much does something like this cost in shop
It diesnt show how to remove the gas lines and top
I just completed this job on my 1998 Silverado. I have very little mechanical experience and this job would have been way over my head if it wasn't for this video. I can't express how much I appreciate the detailed video, the fantastic camera angles, and thorough explanation of what was going on. There were a few small differences between my vehicle and the one in the video, but nothing significant. This video saved me quite a bit of money over taking it to a mechanic. I wish I could buy you guys a beer. Thank you so much for posting this.
Hahah! I downloaded the video and watched while doing the work.
How long did it take you to do?
I've viewed an extreme amount of TH-cam videos And almost all of them are done by long winded, uninformed , wanna be comedians that take forever to get to the point. Your video was awesome. You set the bar very high. Great example. Thank you very, very much.
I'm not educated in auto repair so I did f#$^% up when i misunderstood inch pounds for foot pounds and snapped a bolt on my intake. I'll never do that again. But it did set me back about eight hours. I'm reinstalling everything this mourning. I'm sure it will start soon. Thanks to this video that you guys took the time to shoot and post. Thanks again.
+Fidel Rivas Thanks for the feedback. We're glad you enjoyed our video!
I had to get the intake manifold gasket replaced on my 2002 bmw...that was 1600 at the dealership....now that I see the amount of work needed to do the same on a Chevy...I understand the pricing now. God bless the mechanics that keep us rolling! 💪🏿✌🏾👍🏾
I’m like 5 hours in and I’m halfway. Taking a bit longer than I anticipated but without this video it wouldn’t be possible. Thank you a million times . 1A Auto for the W. 💯
1A vids: THE BEST AS USUAL. This mechanic is great at these vids!
I had the notorious intake coolant leak on my 5.7 1998 Silverado. It's been about 10 years but I know I didn't remove the power steering pulley. I believe I just loosen the bolts enough on the bracket to clear the manifold. Nice video.
Just did this last night, yep. No need to buy a pulley removal tool!
Pull the whole accessory bracket off both sides. The steering pump has enough hose to move it out of the way. Unless your hoses look like the titanic.
Thank you SO MUCH for this amazing video tutorial. This was officially my first ever engine repair job -- I have some basic mechanical experience, but nothing to the level required to do this job without some serious guidance. The video was detailed enough that I successfully replaced my lower and upper intake manifold gaskets and managed to repair the infamous coolant leak that is so common on the GMC trucks. Thanks again for the excellent video -- I felt empowered to tackle this job with the confidence that I knew (and understood) what I needed to do. Keep up the great work, it is genuinely appreciated!
+jojoargento Thank you for the great reply. We love to empower our customers by showing you how-to perform your own auto repairs while installing our high quality auto parts. Have a great day! 1aauto.com
Great video!..46 minutes of straight information,no bs
Incredible video, and great information. For those who break the plastic quick disconnect on the heater line to the intake man. I found a good write up to fix that. Also, I noticed my hardware was more standard than metric (9/16s opposed to 15mm) so be wary of that if your tools are not an exact fit
+Austin Kelly Thanks for the feedback!
Hi there wondering how u fixed the broken pinch clip on the heater hose?? Or where I can find info about this...thanks
I broke my clip on the heater hose....any advice?
Just did the job with my 1999 2 door tahoe. This video made it a breeze so thank you guys so much. Couldn't have done it without you guys. Now I have to figure out some weird timing things going on....
+NedFo72 We're happy to hear this video has helped you out. Thanks for watching. 1aauto.com
I watched this video about 4 times! Very detailed and organized! I’ll be starting this job on my 99 Tahoe! I’m more concerned about the removal of the distributor though 😩😩.
+E Walt Thank you! We love empowering our customers and showing how to perform DIY auto repairs with our high-quality auto parts. 1aau.to/m/Shop-1AAuto-c
A1A Auto Parts makes some of the most informative videos on TH-cam. This one is among your best. I have a 97 GMC K1500 Suburban suffering from a case of blown intake manifold gasket. I'll use your video as guide to get the engine back to running condition. Hopefully, the intake leak and subsequent block filling didn't damage the engine.
Thank you for the great reply. We love to empower our customers by showing you how-to perform your own auto repairs while installing our high quality auto parts. Have a great day! 1aauto.com +Rick Saffery
+Rick Saffery Thanks for the feedback, we're glad we could be of assistance!
Crazy, i didnt realize this would be much more involved then the intake gasket on a LM7 gmt800. Thanks for the video!
Very professional and thorough. I will purchase all of my parts from 1A Auto Parts !
+texasaggie1974 Thank you for the great reply. We love to empower our customers by show you how-to perform your own auto repairs while installing our high quality auto parts. Have a great day! 1aauto.com
They make a tool specifically for removing the clamps and it a LOT EASIER.
I would put in a recommendation to replace the 2 small hoses from the water pump, especially since you have everything off.
This was also detailed and hopefully it will work with me
Your photography is just absolutely with high-resolution cameras probably an amazing how you do everything and you describe every tool and every socket measurementas I specified before this should be a learning tool for students in automotive schools throughout the country I think you should look into that
A truly wonderful demonstration and explanation. One of the best how-to videos I've watched. This looks like a BIG job but you've made it much more understandable for the DIY mechanic. Thanks!
It has been a few years since I did a vortec intake on a sbc but I'm pretty sure I didn't have to take power steering pump off and instead only took the bracket bolts loose. I seem to remember the brackets could be moved enough to do the job that way.
Excellent video! Not looking forward to doing this job but, when I do I will use this one for help. I have done the upper intake when I replaced my injectors and wish I knew to do the lower while it was all apart! Same process with all the wires and harnesses... Thanks again.
+MrBowNaxe Thanks for watching. We carry the gasket kit on our website. Here is a link to them. Hope this helps you out. www.1aauto.com/head-gasket-set/i/1aegs00237?TH-cam&CTA+Comment&ZyBM
There is a lot more to it then I expected lol
Also looks like this would be a good time to do a water pump becuase the gaskets are easy to get to
Very good video, looks like a total PITA but I have a lifter tick, so that’s what I’m up against. I’m assuming the distributor was to be installed with the engine cylinder #1 at TDC, but nothing was said in the video at the time of reinstallation.
What are the torque specs for the power steering pump & ac compressor bracket bolts???????
I just bought a 97 Tahoe. The previous owner neglected to tell me it has a blown head gasket and cancelled title. I'll have to get him to sign it over to me at the DMV, and I think I can do the head gasket myself, thanks to your video. I learned a few things I wasn't figuring. I'd like to swap the Camshaft, lifters, and valve springs while I'm in there doing the head gasket. I'm still researching which camshafts and intake manifolds that are compatible with this year engine. I was planning on going with a Summit Racing 4x4 cam and beehive LS1 springs, but I'll check out the A1 website first and see what you've got for this project
+Kris Snessak Thank you! We love empowering our customers and showing how to perform DIY auto repairs with our high-quality auto parts. 1aau.to/m/Shop-1AAuto-c
Thanks bro. You just saved me hours of trial and error😂 my intake manifold gasket went out on my 97 Chevy.
+Vaughn Gordon Thanks for checking us out! 1AAuto.com
No losing sockets, bolts or excessive swearing. 10/10
Thanks for the great feedback! +Liberty Prime
I have this thing taken apart, and have been trying step by step to get it done. Time and temperature haven't been helpful in this project, but I think this video is.
Thanks for watching our video! +frankofthenorth
I finally got this job done. My idle has finally gone down and my check engine turned off.
Are these intake gaskets failure prone on a 5.7 Vortec?
just did the job with my 1999 2 door tahoe. this video made it a breeze so thank you guys so much. couldn't have done it without you guys. now I have to figure out some weird timing things going on....
Hi Donovan...What was the problem in your Tahoe was water from the back?
by the distributor
Is the distributor hold down bracket threaded on the manifold or the block ?
Great video. Loved the part where you pick up the ac compressor and bump it and say carefully move it out the way lol
HI, I just did this job per this video and then to day I saw another video showing that we need to put thread sealer on the bolts, I didn't see you do it here, so I didn't do it. Do you think it will be ok without the thread sealer? Thanks... Oh.. and thanks so much for these video's
This channel is always so helpful
I have a 1999 chevy k2500 and its hissing from intake manifold. My question is shud i just replace the gaskets or the whole intake manifold??
Thanks for this video. My 98 GMC is smoking white smoke. I was told I need to change my gasket for my intake. Everything on this video was looked the same as mines. So I will try. Thank you
+jnez08 Thanks for checking us out. Shop for high quality auto parts on 1AAuto.com:
1aau.to/m/Shop-1AAuto-c
How much does a Job like this cost? I have a 1996 suburban C2500 7.4 L 454 Rwd and I need the same thing done. Thank you
Welp just finished the vid and shut the hood ..all finished ! 😉 Thanks for a great instructional procedure.
How long did it take you?
On the removal of the p/s pump pulley and the a/c compressor bracket, it leaves me stumped. There is a 13mm or 15mm nut (I forget which size) on the driver's side of the engine between the back of the p/s pump and the exhaust manifold. After removing the three bolts and the one nut from the front of the a/c compressor bracket, remove the aforementioned nut between the back of the p/s pump and the exhaust manifold. This will allow the a/c compressor bracket to be slid forward enough to have access to the front lower intake manifold bolt and take it out. The back of the a/c compressor bracket covers that front bolt. Then when the other seven lower manifold bolts are removed the manifold can be lifted out.
useful video thank you. I have a 96 and 5 liter that uses 1 quart or less of fluid in anitfreeze per whole year..it shows up as a clean spot of one side of each plug on #6 and #8. Full compression, factory fuel mileage, full power.. it was mystery. it must be the last channel of coolant on the head from intake gasket. It uses such a small amount, I don't even want to tear into it...some years it uses none.
I took my Truck in for this and they charged me $400 FOR new gaskets and valve covers! I wanted to try and do it myself but this is too Advance for me!! Saved me a Headache but it did hurt my Pockets!! 😩
What’s the big connector called on top of the manifold? The big rectangle with the green gasket ???
I got hard watching this video, thats how well it was produced, lots of information, way to go!
Did this on the exact same motor due to some broken bolts in the manifold. We put the gasket maker on the valley pretty thick, but now it’s idling high at around 1300rpm. If there’s a leak at that valley seal will it cause a vacuum leak? Leak down test showed nothing
Hey there just to be sure I think I had an issue with my intake gaskets one of them was cracked would that cause coolant to leak into the motor
what happens if drop a screw in intake trying to get out MAP sensor that broke???
My dad was keeping track of my progress and was for sure my truck wouldnt start. But did as soon as fuel lines got gas
That would be a great time to replace the heater inlet and replace the spider injection to the upgraded version if it doesn't already have it. Also clean the EGR passages and I'd soak the valley and push rods with CRC or SeaFoam
+Tazman1966 Thanks for checking us out!
Damn detailed, in a good way.
WARNING!!! Change the OEM heater hose quick connect when you have the manifold off. Mine seemed ok only to crumble when I tried to reinstall hose. Now I must take intake manifold back off to try and salvage the manifold.
+C Robinson Thanks for checking us out! 1aau.to/m/Shop-1AAuto-c
you can remove a broken hose connector with a hacksaw blade, cut 180 degrees apart carefully until almost all the way through then the two pieces can be removed, done this on 2 trucks over the years.
to avoid breaking them off in the first place give them a little heat and some wax and turn it cautiously and they will usually come on out.
when you are done don't buy a replacement, put in an old school hose connector from a small block and clamp the hose on like the old days.
@@dixiegarage400 im half way through the project here. Wanting to eliminate that quick disconnect hose thing. What outlet thing do I need to buy exactly? Id like to have it ready to go when I get the manifold off lol. Thanks sir!
Just did this on my 98 sierra. All went smooth until the next day I have a small oil leak coming from somewhere in the back top of the motor. Not sure if the rtv didn’t hold up when I put the intake back on or what. I’ve checked everything and can’t find where the leak starts. This happen to any body else?
Put some silicone on the distributor gasket. As far as the RTV I use ford silicone on everything. EVERYTIME. Never leaks.
I need help taking the throttle off any suggestions ?
I have a 92 chevy silverado do you have a video to remove the manifold?
+Guillermo Mejia Great question! Check out our library for more videos here: 1aau.to/m/video-library-c
Just did this job on my 96 suburban 7.4 there was way less stuff to remove than the 5.7 I'm a little surprised.
So my coolant is leaking on the front driver side between intake and valve cover what would fix that or what could it be
Hellow my manafold is leaking in front can I just put gasket stuff in front thanks
+Mark Mcsheffrey We wouldn't be able to diagnose an issue like that here, you may want to have a local mechanic take a look at it. Thanks for checking us out! 1aau.to/m/Shop-1AAuto-c
I just did this job but im getting a crank but no start scenario. Help me 1A Auto
I know this is old but is there anyone who knows if this can be done without valve cover removal? i just replaced the gaskets and it wasn’t hard but would just make it easier and less risk of the gaskets leaking because i used the gasket again
The best thing I ever did was a little bit of extra research to make sure I didn't have to pull off that power steering pump and I didn't.
+@freedomrangerphillips9990 Thanks for checking us out! 1aau.to/m/Shop-1AAuto-c
Are these specs the same for a 1998 Chevrolet Tahoe 5.7?
+Jack McCullough Thank you for checking us out. Most of the specifications will be similar, however there will be other specifications that differ. 1aauto.com
Thank you. You've helped me out a bunch. I couldn't have done this without your help. Outstanding details and explanations.
You have to love a chevy motor
Hardest part is making sure your distributor is pulled out and set back in at tdc
If I just use the same distributor, do I need to reset it or can I just carefully put it back?
Ive done this 3 times and thw back passenger corner keeps leaking coolant still cant figure out why
Besides tutorial purposes, what was cause of you changing the intake manifold gasket???
+LawBr8ker Thanks for watching! This is a job that is done if you start to have leaks in any of the gasket locations.
Coolant loss, which is caused by deterioration of intake manifold gaskets, due in part, at least, to JUNK factory lower intake manifold. Buy an aftermarket lower intake unit, if you want to permanently "fix" the problem...
You did a great job but there's a massive amount of cleaning you could have done instead of leaving the gunk everywhere. Cleaning all that lets you know if you have a leak somewhere in the future instead of guessing where it's coming from.
+Stephen Morris Thanks for the tip!
One of the nut of the fuel lines don’t wanna screw in and it comes lose
What can it be ?
Do I top dead center with spark plugs I know to remove spark plug 1 and put cthe compression on it
Do I need to lossen the distributor bolt before moving to top dead center or do thay have to be tight?
What size are the o rings in the fuel lines at the back of the intake ? Just a 5/16 and 1/2” ?
+Ashley Calloway That is correct
Hey does any one know the tool he used when he pulled the pulley for the ac comp bracket
I don't believe you need to remove any of the power steering stuff for this job. For heads, sure, but not intake manifold gaskets. Way more work than it's worth.
Just did this job and if you have AC, you have to take the power steering pulley off to get the bracket off to get the valve cover off. It's like the lady that swallowed a fly.
You can loosen the nut between the power steering bracket and exh manifold on top of the three bolts and nut which allows you to slide the bracket forward enough to clear it.
Just curious does anybody know if this will work on a 95 c1500? If not could you comment or tag me in the proper video? THANK YOU!!
Why is it necessary to remove the valve covers?
I just want to know what else could be leaking ???
Hey so i have a 99 tahoe 5.7. I have a hose that crumbled and i can't find out what its called. It goes from the intake to the ac system along the firewall. Any idea what this hose is. It literally crumbled. Its a bout an eight of an inch to a quarter inch in diameter and it was really long.
You say tighten down 7 bolts keeping egr hold down bolt but its actually tighten 8 bolts and egr bolt is not included in the 8 bolts
Why were the exhaust manifolds unbolted?
they were doing more work on this particular truck than just the intake gasket
Is it the same process for the 5.0l vortec? Thanks
+Dale Lough This procedure might be different for your application. We do not currently have a how-to video for this particular year, make and model. Thank you for asking! 1aau.to/m/Shop-1AAuto-c
SAME.
@@bobhoffman5581 it’s the same?
Amazing video. Thanks so much for putting this together.
How much does that cost ??? To do
How much would a job like this cost
I just done my 93 silverado 350,the the gaskets came w no openings,the old gaskets had them open,,,was i given the wrong gaskets
+Maurice Bond If this is an order made with us, please let us know so we can assist you further.
@@1AAuto ,No it wasnt,i just wasnt sure about those ports being blocked by the gasket when the TH-cam videos showed there gaskets were open on the back ports
+Maurice Bond Thanks for checking us out!
Some Models Use Restrictors to Slow Down The Coolant Flow to Absorb More Heat In The Engine
Y'all didn't have A.C. on this on... I do. Will it have to come off?
It does have AC, they just laid it off to the side.
Does the intake manifold need to be resurfaced in order to sit flat while changing the gasket or just clean? Also does the block need to be resurfaced as well or just cleaned?
+edgar heredia You should be able to just remove the old gaskets and clean them. 1aauto.com
Thanks for the info , the sequence provided in the video is that for a 5.0 motor?, I have a 98 gmc sierra sle 5.0 v8 vortec
It's for the 5.7
How much would a job like this cost??
There's a black plastic round thing that fell out of intake don't know where it goes
Is it the same job in my saab 9-5 ?
+Greger Schylander This procedure might be different for your application. We do not currently have a how-to video for this particular year, make and model. Thank you for asking! 1aau.to/m/Shop-1AAuto-c
That's funny, I think you'll find there are some differences.
Fantastic video helped me beyond expectation. If anyone can help me I have a small plate with one bolt hole in it that I’m sure a 13mm bolt goes thru but I can not figure out where it went. Can anyone help?
Distributor hold down
Can i use my old distributor assembly or do i have to buy a new one
+Dmitrik Guajardo Thanks for watching. You can use the old one if it is still good, no need to purchase a new one!
Those distributors are junk, get an aftermarket one with aluminum housing
I bought that power steering pump pulley tool (remover and installer) and the installer wouldn't fit. Same issue as y'all. Tried the alternator bracket thread hack and didn't work either. The pulley gets on about 3/4 of the way and won't budge anymore. Even tried buying a new pulley thinking I mushroomed the originally pulley when removing it. I even tried heating the pulley. Any ideas?
Mine required a TREMENDOUS amount of force to put it in. Enough that afterwards I was wiped for the evening. I started the pulley on with a dead blow hammer just to get it started and straight, and then reefed on it until I thought I was going to blow a hernia. I'd suggest making sure everything is absolutely clean before reinstall, as any rust or scuffs will make it quite a bit harder. It was the hardest part of the reinstall.
Where can i get this tool for pulling it? Thanks for the help.
We do not currently offer the tool you are looking for but you may be able to locate via www.partfinder.com or eBay. Thank you for checking us out! +Matt’s Models
Absolutely excellent video. Thank you so much
Existe alguna conversión para esa admisión
There was an extra red connector on my truck on the same loom where the crank sensor comes out of, can't find where it plugs into, can someone help?
If you have not already figured it out, it used to go to the power steering pump. Someone has probably already changed out the orfice valve, a piece of tubing with a small hole for the power steering fluid to pass through. The factory set up used an electric piece that was a poor design and then gm realized it looked good on paper and then it failed and everyone had to pay an extra $80 at the dealership for the valve to bypass the factory set up. With out seeing what you are talking about, I'm almost positive that is what you are referring to.
Three months late but im following this tutorial right now and i had an extra red connector as well. It connected behind and underneath the power steering pulley.
Once you take all the hoses off, how do you keep a track of putting them back where they belong
+Christie Turner Thank you for checking us out. In some cases you may label them to where they plug into, or in other situations you may take a before picture to properly identify the correct location. 1aauto.com
Great vid. Thanks, guys!!
Toyota Camry 2002 pass. door rod came off how to fix.
Do you have a shop if you do what state you at and city?
+Robert Garcia Thanks for watching. We do not have a shop that is open to customers, but we are happy to upload all kinds of videos to help you work on your own vehicle!
How much will something like this cost for my 04 gmc Yukon
+Darrell Williams We currently do not have an auto repair video specific to your vehicle. You might be able to apply some of the basic steps shown in this video to your application. Here is a link to the repair part that would fit your vehicle. Hope this helps you out
www.1aauto.com/intake-manifold-dorman-615-183/i/1aeim00018?f=655442&y=2004
Very complete, thank you
+dadams19111 Thanks for checking us out. Shop here for high quality auto parts: 1aau.to/m/Shop-1AAuto-c
So why dose my 98 5.7 vortec looks different