How to Replace Intake Manifold 99-06 Chevy Silverado
ฝัง
- เผยแพร่เมื่อ 6 ก.พ. 2025
- Buy Now!
New Intake Manifold from 1AAuto.com 1aau.to/ic/1AEI...
1A Auto shows you how to repair, install, fix, change or replace a cracked, leaking or warped engine air intake manifold. This video is applicable to the Chevy Suburban, Tahoe, or Silverado pickup truck; or GMC Yukon or Sierra.
This process should be similar on the following vehicles:
2000 Chevrolet Suburban 1500
2001 Chevrolet Suburban 1500
2002 Chevrolet Suburban 1500
2003 Chevrolet Suburban 1500
2004 Chevrolet Suburban 1500
2005 Chevrolet Suburban 1500
2006 Chevrolet Suburban 1500
🔧 List of tools used:
• Flat Blade Screwdriver 1aau.to/omM/1AX...
• 10mm Socket 1aau.to/ojJ/1AX...
• 8mm Socket 1aau.to/ojJ/1AX...
• Fuel Line Disconnect Tool 1aau.to/oh/1AXA...
• Vacuum
• Needle nose pliers 1aau.to/obH/1AX...
• Needle nose pliers 1aau.to/obH/1AX...
• E6 Inverted Torx Socket
• Ratchet 1aau.to/onI/1AX...
• Socket Extensions 1aau.to/omF/1AX...
• Torque Wrench 1aau.to/ohm/1AX...
• Rust Penetrant
Subscribe: / @1aauto
Check out our playlist:
Chevy Suburban 2000-06 9th Gen: • Chevy Suburban 2000-06...
Chevy Auto Repair Videos: • Chevy Auto Repair Videos
For More Info visit us at 1aau.to/h/xm/
⚠ 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.
√ *Watch the Video*
√ *Buy The Part at 1A Auto* 1aau.to/m/Visit-1AAuto
√ *Do it Yourself*
√ *Save Money*
So Coolant doesn't run through these intakes?
Great to see you guys diving into more complicated repairs.
i would suggest replacing the knock sensors , knock sensor harness , and oil pressure sending unit on the back of the block while the intake is off. if you are that far tore down you might as well change out the 40$ worth of parts that are going to fail anyway. the sending unit can be done with the intake on but its a pain, the knock sensors will require removing the intake so kill two birds with one stone while you can. don't forget to replace the short knock sensor harness they are prone to failure.
For that much could find a trail blazer ss intake
I am doing those exact repairs. It is costing more than $40 for those parts now. With my my Oreily's discount it saves me over $80.
@@BOFH402 Doing this now. This prices are crazy I git two oem gm sensors. Gm harness. And gm gaskets 112 total.
A couple things that weren’t covered here….
THE UPGRADED GASKETS UTILIZE 2 FORMED METAL LOCATING HOOPS THAT ALLOW THE GASKET TO HANG ON THE CYLINDER HEAD BOLTS.
THE CYLINDER HEAD BOLTS ARE NOT REMOVED TO INSTALL THESE GASKETS. THE HOOPS DO NOT GO UNDER THE HEAD OF THE BOLT; THEY GO OVER IT.
THE INTAKE MANIFOLD SIDE OF THE GASKET HAS PILOTS STICKING UP THAT ALIGN THE MANIFOLD TO THE GASKET.
Always replace the knock sensors and harnesses while you have it apart
.
EXAMINE COOLANT PORT AREA OF MANIFOLD AND HEADS FOR PITTING. If pitting is excessive, resurface or replace castings.
Although some people fill in the pits with epoxy, it’s recommended to refinish or replace castings.
Do not use RTV silicone to fill in the pits!
INSTALL RAIL GASKETS DRY WITHOUT SEALERS.
Clean the threads of old bolts. (Used or new) Apply a light coat/drop of oil to the threads & bolt head flange washer
@@jamesavery6671 And? Do you think that is going to somehow improve the driveability?
Or give you some noticeable horsepower/torque increase?
Reminds me of back in the day when everyone had a SBC 350 and the first thing everyone did was to put on an aluminum Edelbrock/Holley Intake with a 750 cfm “double pumper”
Then spend weeks trying to figure out why the car couldn’t be tuned to run for s***, constantly fouled out plugs, and was always stalling, popping, etc.
Bigger isn’t always better!!! A stock 350 (or even 400) with just a mild cam, zero to very little head work, and an anemic compression ratio is NOT going to need or even run right with a carburetor that big.
And while an LS intake on a fuel injected engine isn’t the same thing….in a way it’s exactly the same thing!!! That SS intake is designed for optimal performance with the SS heads, the SS fuel system, and most importantly the SS tune that is flashed into the ECM, sure you could “get an SS intake for that price, but you would see zero return on your purchase 🤷🏻♂️
This video just answered my question, I'm replacing my intake with the style they took out. My 5.3 is a 02 and I'm getting a good deal with a 04 intake. They look a lot different but I'm glad this video summed it up.
They legit made this video of the intake manifold and all the sensor change videos they have with it as well all done at the same time for those commenting I recommend you do this and that trust me they already did it
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 +Bart Simpson
Clearly they don’t want to look like amateurs, so they skip the hard parts and suddenly they’re are magically done. Hahahahaha would love to see how he got out the throttle body without disconnecting the coolant lines that go to it and the spill that comes with it
Some things that I never see covered in any of these intake videos…..
THE UPGRADED GASKETS UTILIZE 2 FORMED METAL LOCATING HOOPS THAT ALLOW THE GASKET TO HANG ON THE CYLINDER HEAD BOLTS.
THE CYLINDER HEAD BOLTS ARE NOT REMOVED TO INSTALL THESE GASKETS. THE HOOPS DO NOT GO UNDER THE HEAD OF THE BOLT; THEY GO OVER IT.
THE INTAKE MANIFOLD SIDE OF THE GASKET HAS PILOTS STICKING UP THAT ALIGN THE MANIFOLD TO THE GASKET.
Always replace the knock sensors and harnesses while you have it apart
.
EXAMINE COOLANT PORT AREA OF MANIFOLD AND HEADS FOR PITTING. If pitting is excessive, resurface or replace castings. Although some people fill in the pits with epoxy, it’s recommended to refinish or replace castings.
Do not use RTV silicone to fill in the pits!
INSTALL RAIL GASKETS DRY WITHOUT SEALERS.
Clean the threads of old bolts. (Used or new) Apply a light coat/drop of oil to the threads & bolt head flange washer
Those style fuel line disconnects on many vehicles stick and resist removal. Drench the inside with WD-40 or PB Blaster etc and they'll move easier. Good video, especially as these engines are infamous for intake leaks. If you live in the Rust Belt or just want to avoid doing this job twice you may want to replace crank and cam position sensors while you are there and seal them thoroughly. Look up the relevant TSBs etc on any Chevy forum.
@jaxon258 You may experience a oil or antifreeze leak.
"EGR" is actually EVAP solenoid and didn't see Don plug in the relocated MAP sensor.
Sauce Boss yeah it is the evap purge solenoid Not the egr. Not sure why it bothered me. Lol
common problem. ethanol in the gas eats the factory gaskets. check engine light and lean code / maf sensor is a good indicator.
Would have been nice to have a few close shots to see where everything connects back to
Don't forget 8 new fuel injector plugs because they WILL NOT come out easy if at all.
All new plastic hose clamps.
Alot of ibuprofen.
About the whole weekend if you have a garage.
Tell you family to stay away from flying tools and very bad language.
Very simple.
EGR? Looks like Purge Solenoid.. And did ol boy plug that MAP sensor in?
I has a misfire on #4, replaced plugs, wires, and even #4 coil, no luck. Removed the injectors to replace them and realized I might as well check the intake manifold gaskets... glad I did!
The gasket around number 4 was broken up and parts of it were missing, I'm waiting on new knock sensors and then I'll put it back together. Mine is different than this though, it's in a '99 Sierra 2500 and the throttle plate has coolant flowing through it. The intake manifold is also pretty dirty, I wish I had my dad's old solvent tank from back in the 60s and 70s, that crap cleaned anything... but may cause all sorts of health issues for me someday.
Any good ideas on a great degreaser? I used carb cleaner ZEP degreaser, lots of crud still there though.
What are the torque specifications and tightening pattern for the intake? I recently replaced knock sensors and intake gaskets, but am now getting an intake pressure DTC that I believe is probably due to under/over tightening or improper tightening pattern
I have the specs in my Haynes book, do u still need them?
I found them on line. Thanks
What was the culprit
u make the first pass at 44 inch pounds then a second pass at 89 inch pounds start in the middle and work your way around outwards in a circle
Can I reuse the old intake manifold bolts on the new intake? If you can will the old ones fit in the new intake guide holes?
While intake is off, ground wires in back of block should be removed , sanded, cleaned and or replaced. These ground wires are the culprits of multiple electrical problems with sensors and other components. if they are bad.
Do I have to disconnect battery?
Great concise video! Thank you!
Are the gaskets and knock sensors and harness the same on the Lm7 and the L59?
Can you tell us what kind of gasket making glue did you use ?
Do you need a tune after installing a aftermarket manifold? Id asumme it sucks more air rand burn more gas?
After you completed the intake swap did you have any starting issues and what did you do to resolve it?
From the sounds of it, it's your fuel pump. Easy way to tell pull off your breather to your throttle body. Get you a syringe squirt, little gas down in there. Go inside, turn it over. She fires up. You've got a bad field pump. Another way is to jump your fuel pump. Pull your fuse box cover off. Go to fuel pump. I believe It's 87 and 30 jump those two Look here, real quick help. Cross 87 and 30 jump it straight across right there, 87 and 30. And if it doesn't fire up, then you have a bad fuel. Pump, you're bypassing your fuel pump relay . , so if your relays bad that will let you know. If you're relays, bad to your fuel pump power 87 30 direct. If your fuel pump is bad, you can cut a hole in the top of the bed on a pick up on a suburban. I don't know, but that's what I did. I got the measurements and cut a hole in the top of my there. Access right to my fuel pump without dropping the gas tank and disconnection. Everything takes about 3 minutes to change a fuel. Pump out that way. Check my word. It's the way to go if you need measurements, my email isrussoto57@gmail.com
+@russelcagle8155 Thanks for the feedback!
Besides the Throttle Body is this the same/similar for 07-13 Silverado 1500? Do you have a 07-13 intake mani removal?
2004 5.3 vortec how many coolant sensor port in the head my friend broke the coolant sensor off on the driver side would there be a secondary that I could use broken sensor not leaking
Hi I have had my sensors and plugs changed twice in 2 months I still have gasoline smell and white smoke out of exhaust
What is that piece on the side with the yellow cap on it? On my manifold (original one) it's broken off and sucks in air. Should I cap it off?
Hello A1 Auto I have a question I have a 2003 Chevy Suburban LT and I got the same problem with my intake manifold I just bought the same exact manifold a couple days ago and I also bought some intake manifold gaskets do I have to use the intake manifold gaskets for my aftermarket intake if not let me know
I couldn’t help but to suggest using a drill to make it easier on y’all :) I can’t imagine the forearm burning from so much ratcheting lol
+Mark Guerrero Thanks for the friendly tip!
You left out one bolt on the plate near the back top of intake it had 3 but you only put two back on. SMH. That is the reason I do all of the work myself!!!!! All in all good job young whippersnapper.
The new intake I believe only comes with two holes not three if I remember right.
Did you loctite on the bolts?
Is it pretty much the same process for a 4.8?
+A Ramirez It would be basically the same with some minor differences, but this is a good general guide.
Why put new intake manifold? Crack? Just curious
I have a question on this. I noticed that the old intake doesnt look like the new intake installed. Is this an updated version. I am in need of replacing my intake and what's available now doesnt look the same as the old one?
The Dorman are a little different but work better. 320 delivered on fleabay. One new for 190 delivered
I noticed that there is an extra nipple above/beside egr valve what does this do and how do I bypass
Great vid man.
where does the hose you attached on the top go to?
Is this process the same for a 4.8 vortec
+William Lopez We don't have a how-to video for your vehicle right now, but the basic steps in this video should be enough to do this task.
where do the 8 green rubber o rings go? and when i tighten my bolts to put the manifold back in, they just keep spinning, they won't fully tighten.
+thomas v Thanks for watching! Those new o rings are replacements for the old ones on your fuel injectors. We go over this at the 10:30 mark in the video. It sounds like the bolts might not be catching the hole, so you might have to play around with it so they catch.
Thanks big help.
whats the torque and does it matter the route you tighten them?
+Reco Akins This should help you out
Step 8.Reconnecting the Intake Manifold 17:18
Torque the manifold bolts with a torque wrench
Start in the middle and work in a counter-clockwise pattern
Tighten them on the first pass to 44 inch pounds, then 89 inch pounds
Push the harness in and push the clip into place to reconnect the fuel injectors
the same? looks to me like the new manifold is different, the MAP sensor location isn't even the same.
the new dorman intake is actually an upgrade , the dorman company bought tooling from the FAST company so these intakes are loosely based on performance upgraded intakes , they take all the factory attachments although maybe in different locations , but they bolt right on , and won't require a tune. although a tune will further increase the power after you use this intake but again isn't required. i would 100% recommend this intake. I watched this video myself to further confirm what i was reading on LS forums that these intakes are in fact better than stock and bolt directly onto the truck motors without having to convert to LS2 throttle body and injectors. pretty impressive for a stock replacement to actually be an upgrade that even the drag racing community acknowledges. doesn't happen very often. take advantage.
thanks for the upload. very helpful
No problem. Glad to hear it helped you out. 1aauto.com?TH-cam&CTA%20Comment&ATony 866-403-3393
I have a hose coming into the left side of the intake. I do not see it on yours. It apprears to be steel braided. What is this
BRO-- help. what is that pipe called..?
How did you get the fuel injector connotes off?
+Dave Swenson check for any additional clips or springs, use some penetrating oil, and really work it out
Cut them. The plastic is brittle.
Is computer reprogramming needed?
+Mitch Allen Thanks for watching! No reprogramming should be needed for this application.
Awesome and simplified vids. Listing needed tools is the best part. Is this also the envoy v8 vortec engine?
+prentiss mcaster This part will not be a fit for your Envoy, but if you could reply with your Envoy year we would be happy to look into this for you.
2003 Envoy XL 5.3L Vortec V8. Thanks sir.
Good work but this guy makes it look hard and it’s pretty easy that’s a 1hr job
I'd think a 1 hour job on your second or third one. Not the first.
Hi can someone help me please I replaced my gasket 2 days ago and now it's using a lot of gas I mean from 260 miles with a full tank to just 180 miles. thank you
About how long was the replacement real time
+alejandro espino The repair may take you a few hours to perform. We carry the replacement intake on our website. Here is a link to them goo.gl/o4Drgk
1A Auto Parts works perfect, gonna try to tackle this tomorrow
450 for a intake ahahah, yeah right
Would this be the same for a 99 Chevy Silverado 1500
if it has the 5.3
do i need to use torque wrench?
+Reco Akins You should tighten the manifold bolts to the recommended FT LBS. Thanks for watching. 1aauto.com
Yes, if it's not torqued properly you can have leaks which will throw the CEL due to lean mixture. It can also warp the intake which will basically ruin it.
cant you help me with the remplace the lines oil cooler my truck is chevy silverado 06 6.0single cab not 4x4 , i try to found the the part in you web site and i dont see there thanks 1 aauto al tour videos help me and save time and $
+rene morales Is the truck a 1500 we carry these oil cooler lines. Hope this helps you out goo.gl/wByTyC
Hissing in the engine bay whistling while accelerating and previous owner had to replace cats due to a P0420... Must be the intake manifold gasket. I mean it's literally screaming the answer at me... But a good mechanic will tell you to always get live data and go hands on before I start making the parts factory in China More wealthy
man that guy is shaking like he need a drink
He said IDENTICAL.. No.... But it is an upgrade.
This video is replacing the intake manifold. Thanks for checking us out. 1aauto.com +WILLIAM GRAYSON
Don didnt wipe down the other fuel injector rings
Did you put any new manifold gaskets
+O.J. Asoau Whenever the manifold is removed the gaskets need to be replaced. Thanks for checking us out! 1AAuto.com
What would be the symptoms of a bad intake manifold?
random misfiring, excessive hiss as idle control tries to compensate, exhaust odor, hard start/ no start in humid or rainy conditions. Hope this helped.
tjonesauto Thank you for sharing your wisdom and leaving such a helpful detail comment. I will take your advice
+jaxon258 Intake manifolds dont go bad. They get clogged and dirty.
Misfiring on cold mornings
Banks 1&2 running lean and maybe a slight rough idle, a whistling sound at 1000-2400 rpm.
Apparently these manifolds are prone to cracking (the stock ones) as they get old. Why plastic in the first place???? So what that they are lighter. This is such a pain in the ass. My Silverado is throwing lean codes and im almost certain this is my issue
+Ktonrider We carry the replacement manifold shown in this video on our website. Here is a link to them. Hope this helps you out. www.1aauto.com/intake-manifold/i/1aeim00018?TH-cam&CTA+Comment&V_fZLOAHtA
Whats the cost of having this done to an 05 chevy suburban 1500 5.3L vortec?
hello, what is the thing called that you removed at 3 minutes?
Thanks in advance!
evap purge solenoid
Edward Thayer evap solinoid
LSX FTW thank you
W Murphy thank you
Trust me.
Nothing on this job is three minutes!
Hi there I watched someone use oil on there intake gasket. They put a small amount around the gasket before installing and said its good. Is it or is it better to use some type of gasket sealer because I noticed you didn't put anything on the gaskets.
+NationalGuard69 You do not need to add anything to them. If you are trying to make them stay in position you could add a thin layer of RTV so that they stick to the surface and do not move while trying to place the intake back into position. Hope this helps you out. 1aauto.com
1A Auto Parts but wait for my buddy who did add oil to his gasket. Is that bad.
Depends on how much oil be added. If he added just enough to make the gasket surface slick then it's more than likely fine. You might get a little smoke at first where the intake is pulling oil into the combustion chamber but it should stop soon. Too much oil though could be a bad thing, it could foul out some plugs or it could allow the gasket to move during the intall.
8mm
Should have done lifter replacement while you was at it
17:17
reason i ask is i have the same vehicle
You may have noticed a leak coming from the lower radiator area.
K iui
That's not exactly like the old one. That looks like a dorman 615-183. Some folks say they are better than factory some say they are not. What do you all think?
Why not just upgrade the gaskets on the old intake. They're around $40 for the upgraded set.
I need to replace mine but haven't decided which way to go. I don't care to give a little extra for the factory if it's better. But if just upgrading the gaskets will fix the problem I'd rather go that route. No use buying something I don't really need.
+Josh's Dad These replacement intakes are made well. We also include a lifetime warranty on them. Here is a link to them on our website if you would like to take a look at them goo.gl/iCxMS7
1A Auto Parts why wouldn't you just change the gaskets though Instead of buying a whole new intake?
+Josh's Dad The factory intakes seem to crack and fail as they age.
1A Auto Parts. Oh I see. I'm having trouble with my truck. It only has 75,000. I did change the gaskets and didn't see any cracks when examined the intake. But I keep getting a random cylinder misfire but only if I reach speeds of 75 mph or higher. The truck runs perfect though. It starts good, idles good. You would never know there's a problem if it wasn't for that pesky light. Its always cylinders 1,5,6,8 that show up. I've tried almost everything and just when I think it's fixed it comes back on.
Josh's Dad from what I have seen on here a low engine speed lean miss fire is most likely a vacuum leak.high engine speed lean miss fire is fuel preasure. ..
This could cause oil or antifreeze leak right?
No and no