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The following are instructions on replacing the timing chain in a
Toyota 22R/22RE/22RET without removing the head.
The hardest step in the replacement will be breaking the bolt that
holds the puley to the crankshaft. Best option is to break it loose
with the engine's starter, tranny in neutral, wire off the coil. Use a
6-point (sided), 19mm, impact socket and a breaker bar long enough to
reach the frame rail, then bump the starter until the bolt breaks free.
Best to address this step early on in the process, instead of waiting
until the engine is torn half-way down and starter operation is not
possible. This is step 18 below. Other options include putting the
tranny in 5th gear, engage 4WD if possible, e-brake on, chock the
wheels and see if the clutch will hold the engine from turning; or pull
the starter and try to jam a pry bar into the flywheel teeth to lock it
in place. It is a good idea to place the engine at TDC prior to
removing the crank pulley from the engine.
[Last updated: 19.October.2011]