Forum Discussion
RCMAN46
Aug 10, 2013Explorer
BenK wrote:
That Toyota's valve train tapping would drive me nuts !
Aren't they OHC, so it might also be low on engine oil...
Some OHC engines such as the NorthStar have a valve follower which works the same way a valve lifter does. When due for an oil change they will make noise just like the hydraulic valve lifter will.
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