How to do a valve and seal job for Toyota Corolla 7AFE engine
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- เผยแพร่เมื่อ 7 ต.ค. 2024
- This video demonstrates one DIY way to do a valve and seal job on the cylinder head of a Toyota Corolla 7AFE / 5AFE.
Valve spring tool - amzn.to/39plldP
AT-205 - amzn.to/3dHzgj1
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Going to use this as help. I’m redoing mine on a 400,000 mile celica! Should be exciting
Very cool, that's a perfect platform. I put a Celia engine in my wagon, I think it has a little more power than before even though both engines were 7AFE.
Жарайсың Клинт Thank you 👍🇰🇿
Best explanation and teacher very good video.
Valve cover is missing two caps. AMAZING VIDEO!!
Ive never re-used head bolts. Its only 16 bucks or so for a new set. Better to be safe than sorry. Also, you can clean the surfaces with oven cleaner and/or degreaser. Anything left over just use a 6 inch block and some 1000 grit and go over it. Check out my video of re-doing my 7AFE. Head went back on with a mirror finish. Still running it hard and its been 3+ years since I did this..
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Enjoyed watching every minute of it... I am missing some of the off camera action though. Better to speed up the video than skip it.
OK, noted, will do :)
Thanks a bunch brother
Another good job
Thank you Mark!
@@Engineerboy100 im rebuilding my engine pretty soon where can I find the full Torque specs for the Corolla engine
@@markclarke5021 I use this Haynes manual, www.ebay.com/itm/1994-Toyota-Corolla-Haynes-Online-Repair-Manual-Select-Access/282752705701?fits=Year%3A1994%7CModel%3ACorolla&hash=item41d55fe4a5:m:muVB0PVaxdwvJjHut8E47dg&frcectupt=true
Hey Clint I have a 96 Toyota Corolla 7A-FE 1.8L 4speed automatic and I think ur videos are great I’m also wondering if I had a question would I be able to help me out? Thanks
great video
GooD. Car
Yes, I love this car, thank you!
Is it better to use a plastic scraper vs metal? I worry about scratching the surface of the head. Thanks for the videos. Replaced my water pump a few weeks ago and thought the head warped when it overheated cause I was slowly losing coolant. Turns out the water pump I put in is leaking/bad. Just ordered an AISIN pump instead of the Gates on I had and hoping for better results.
Metal. You'll never get it off with a plastic one. Keep the scarper as flat as possible so you don't gouge the head gasket mating surface.
How did you get the cams out without removing the timing belt components???
can i do all this without pulling engine? I just need to do rings, pistons but see that at 240k, more than rings should be done- thanks for comment
I did not pull the engine for this job, only the cylinder head.
@@Engineerboy100 good- there is hope- what was the total time? 20 hours?
Do you have a video on checking the valve lash and adjusting clearances? I'd love to see a good one. I get some "blow by" from my oil filler cap and wanted to make sure my clearances are good. (Tho admittedly, my rings could be worn too.)
I don't think I've video taped it but to adjust the valve clearance on these cars you must measure and then change the spacers on the lifters.
@@Engineerboy100 Do you happen to know a good video that demonstrates the procedure? I'm still learning, but learning a LOT and your videos and method of teaching has been awesome. Thank you so much!
I'm trying to find a decent replacement cylinder head to keep my '94 Corolla beater going and have been unable to determine whether 7afe and 4afe heads are interchangeable. I've seen some indication they are, but hoping you might know this, definitively. Thanks. Dale
4AFE and 7Afe are all the same,, even carburetor cylinder head fit on injector block..
So you can buy any..
Nice job sr . i like to ask you i heat on the other. Video you change transmission fluid . my corolla is 98 and it have 225k miles when i bouth the car have 150k. Miles i never changue the trans fluid do you recoment me change the fluid. ? Or just refill . and what tipe fluid i can use ?
Yes, with that many miles I think it's about time to change your transmission fluid. Use Toyota / Lexus fluid, they have it a Walmart www.walmart.com/ip/Toyota-Lexus-Automatic-Transmission-Fluid-1QT-WS-ATF-World-Standard-Ready-to-install-By-Genuine-USA/958574363?sourceid=csebr0372855bc7b4bd4fa8a71ca27d8233b074&wmlspartner=bizratecom&affcmpid=1158021134&tmode=0000&veh=cse&szredirectid=15781706637614748482610080302008005
@@Engineerboy100 i will change the filter the gasket and the fluid . you know how many quart o have to use ?
I have a 5A Toyota Corolla engine honestly I would like you to work on it for me
Lovely video... do you have one where you remove the head?
I get a puff of smoke when I accelerate after engine braking down a hill... valve seals are bad right? Celica 94 with 7AFE has LPG.. is the LPG responsible for this?
LPG?
@@Engineerboy100 Liquefied Petroleum Gas
Where did you buy the valve spring tool need do same job you doing where can I buy a single ex valve it broke needs replacement thank you
amzn.to/39plldP
@@Engineerboy100 thank you your videos are gold
Nice explaination. I´ve a question: in the case of time belt broke the piston will damage the valves or not?
When the timing belt breaks it may damage the valves depending on the design of the head. On this model Toyota, the valves have a "clearance" design so they will not hit the piston and be damaged. On some cars like my BMW they are designed with an "interference" fit and will damage the valves if there is a failure. This happened to my BMW but it wasn't a timing chain failure, I over reved the engine at the track by down shifting from 3rd to 2nd at 90 mph on accident.
@@Engineerboy100 thank you so much for your answer. I have 2 Corolla 1999 and 2000 and I love it. Have a nice day Clint.
@@Engineerboy100 the 4afe doesnt have the same valve clearance, does it? so 4afe ifbelt time broke it probably damage valves right?
another question in my 4afe i hear some noise from the head, i guess camshaftand is more notice when motor is cold( its not valve ticking) the car pulls well. when its normal temperature you don´t hear the grinding noise
your videos are awesome.. love from portugal
What was the valve removal tool that you used, both the removal and insertion?
Link to Tool is in the description
Great and very helpful video... Thanks! Where do you find your mls head gaskets? Are they 7afe specific or can they also work on a 4afe?
I get mine on eBay and I use the same on for 7afe and 4afe.
Can I do the valve seals with out taking the head i change the head gasket like 2 years ago I got good pressure
You can change the seals, but you can't resurface the valve seats, they are on the inside, the head must come off for that....but changing the seals without taking the head off is tricky and requires some advanced techniques for keeping the valves from falling into the engine. I highly advice against it, especially if you are not experienced.
Why it's necessary to remove cylinders head to change valve seal????
Tdc can not be used to prevent valve's to drop down???
I've seen that method, ... but if you watch the video, we did more than change the seals.
@@Engineerboy100 i agree , i have seen the video...
In my case, i have an A4FE engine ov toyota Corolla 1998 , and only valve's seal are need to replace...
I just don't have a blue smoke, i have a smell of baked oil when i release the gas pedal.. When i hit the gas nothing..
It means the depressurise in cylinder sucked oil trough damaged seal...
But when i hit the gas it stops..
How much would a shop charge me for doing a valve job on a 7afe engine?
Thanks
Different shops would charge various prices but a reasonable range would be $450 - $600 on average depending on the car. More for expensive cars ....
Is this exact same for my 4a fe
Can you give me your facebook account.Please i wanna ask you something very important if you could help me.I bought a Toyota Levin with the engine swapped.And i dont know what my engine is.It looks exatcly like yours.But i dont know if it is 1.8 or 1.6 l
.please could you help me a little.Can i contact you via Email or Facebook.
The most reliable way to check which engine you have is to look at the engine code that's etched into the block. It's located to the right of the exhaust manifold and is stamped vertically
Code are dleted cannot read anything sir.I added you on facebook.I have a pic of the engine..May you check your messages please
My TH-cam name is Clint Hightower, My Facebook name is Clint Hightower, my email is Clinthightower@yahoo.com
@@alexmoraru9374 Hi the easiest way to identify a 1.8L(7afe) from a 1.6L(4afe) is only looking down the oil pan. The bigger engine have like a middle section of aluminum before the small steel oil pan. The smaller engine only have the steel pan at the bottom. This means is iron cast block and oil pan on the 1.6L, and on the 1.8L is iron cast block , aluminum middle piece and oil pan. hope this helps you.
Guys i need help, i have a 7afe with different colored valve springs, theres brown and silver springs, which is the inlet and which is the outlet springs???
do you mean the seals ? if so i've learned that silver/grey is for exhaust and brown is for intake ;)
@@sota_tld1112 ive been driving it for 1 year now, but thanks for the reply anyway xd
@@UNL34SH3DD oh didn't realise the date of the comment 😅 but you are welcome
22 ft pound
Plus 2 90 degree turns after that.
@@Engineerboy100 It's a delight to watch your videos. Truly outstanding and very informative. I''m almost done with the cylinder head service on my 1998 4AFE. One question please; why do you specify 22ft-lb plus 2 x 90 degree turns when the Toyota service manual specify 44ft-lb? I'm merely curious and not doubting your method. Also do I need to retorque the cylinder head bolts after driving 1 000 km (break in)?