oh yeah, if ur cleanin ur engine with water make sure that the engine is running when u do, and using high pressure water like from a car wash is better. if u have an aftermarket intake make sure u ...
I would check ur intake manifold gasket. have u recently removed it? my buddy had a similar prob with his 00 gsr when he changed his to a skunk 2 manifold. he clled me up and when i took off the sku ...
Loose valves do not squeak, they tick. check all of ur pulleys. i used to own a 90 celica and it had a squeak similar to ur description and it was a bad water pump.