Toyota Repair: 91 toyota 2200 engine, camshaft, timing


Question
I think I need to change the timing belt on a 2200. The inpection sticker said changed at 85000. Can I have your thoughts on the procedure? Also I'm not sure if this is an interferance or non- interferance head? Thanks!

Answer
This is a NON-inteference engine, meaning that if your timing belt breaks while the engine is running the pistons will not damage the valves.
This is normally a transverse mounted engine, so the "front" of the engine is facing the passenger (right) side.  The timing belt is on the "front" of the engine.  There are many things that lay before you before you can get to the timing belt.  If you are up for a grueling task, continue on.  If not, take it to a trusted mechanic and let him fool with it.

First step is to obtain all necessary parts (i.e. good quality timing belt, water pump and gasket, anti-freeze, belt tensioner, Haynes Manual, shop rags, etc.).  You want to change out the water pump because you have to remove all the same parts for the timing belt as you do with the water pump, so save yourself the time and aggravation of going through this twice and kill two birds with one stone.

Since you'll be changing out the water pump you'll need to drain the antifreeze below the height of the pump.  You may be able to reuse the antifreeze (test its specific gravity to see if its worn out) so collect it in a suitable container.

Next, you'll have to remove the front right wheel.  Safety is paramount!  Ensure you use jackstands to support the vehicles weight and chock the wheels to ensure the vehicle doesn't roll.  Remove the apron between the wheel and the engine.

Depending on your car model, there will be different "interferences" in the way.  (e.g. altenator, p/s pump, etc.)  You'll have to disconnect / remove / reposition these inteferences.  This is why you want to have the Haynes manual for your specific model.  It provides detailed instructions and photos of each aspect of the job.

Since each model brings different challenges to the job, I cannot give you a step by step removal / restoration without knowing more details.

Things to remember:
1) Line up marks on timing belt with marks on the cam and crank shafts.
2) The water pump has different bolt lengths.  Keep track of these for proper reinstallation.
3) Label things before you disconnect them if you think you may forget what goes where.  (I still do this)
4) Follow proper torque sequences / specifications.

If I can be of further help, feel free to email.

Vince