Replacing Toyota 2ZZ-GE VVTL-I camshaft lift bolts at 105k miles…
Firstly I’d like to thank the following two guide links, which give you all the information you need for this task:
Lift Bolt Replacement BY TeamCelica.com Tronix, Uansari and Lamar Vannoy
Targa90’s 7th Generation Celica Lift Bolt Replacement Tutorial
Despite the simplicity of this task I was dreading it a little, it was a must do job but I had no idea if these bolts had been replaced on my car or not.
Judging from my engine and how it looked I assumed not, everything is rather dusty in my engine bay but very undisturbed. Going by all the previous MOT and service history it’s been a very reliable motor and well looked after so I wasn’t expecting problems…
Two things I would advise you get for this task is a 5-25NM torque wrench and a cover sealant, since there are two points on the cover that need cleaning off and new sealant applied to on refitting the cam cover (see Targa90’s link for this).
The cover needed some gentle persuasion to come off as you can imagine, you will notice it almost refuses to come off over in the right rear corner reason being that there is a vertical oil flow tube and it seals pretty tight. It will seem awkward when refitting the cover as well but just keep an eye on the tube and make sure to seat the cover back on as evenly as possible, the bolts will pull the cover back down snug.
When you get the cover off it might be ideal to wrap up the top of the exposed engine, especially if it’s windy and your engine is flailing bits of dust and dirt. Ideally you should give the coil pack recess and all the top section a hoover off first as the metal can be very fatigued by the elements.
So as you can see I was lucky this time ! These bolts I’ve removed are revised ones but not the final versions, I believe with my car being built in the latter of 2002 it come with these from the factory. As you can see the wear is obvious, very more so on the intake bolt shown closest.
All in this job cost me £30.00 to do, the torque wrench, the two bolts and the sealant. I’m very pleased the bolts were not snapped or that they did snap during removal, as that makes things a lot more stressful !
Have a good day everyone.