How hard is it to change the timing belt on a 93 Saturn?

Question

I have pretty basic automotive skills and a few tools. Is there anything special that i should know? Do i need any special tools that the average backyard mechanic might not have?

Answer 1

first purchase a shop manual for this car as there several procedures that Saturn uses that are different from most everyone else. sl/sc engines do not have timing belts they are chain driven[granted it is not much more than a bicycle chain] but if it breaks the cyl. head will have to come off for valve replacement and guide repairs both twin cam and single cam engines are interference fit [valves collide with pistons] if the timing cover is to be removed it is sealed with R.T.V.sealant and surfaces must be chemically clean upon reassembly to prevent oil leakage. there is a tool available to align the geroter type oil pump and should be obtained as this part of the job with engine in the car can be tricky. #[SA9104E] if chain is to be replaced you must also install new tensioner and guide rails as they will be worn out or broken up. NOTE rebuilt sl engines [single cam] are rather inexpensive from Saturn if your body and interior are still in good shape you may be money ahead to replace the engine especially if you know that valves are bent. this is an awkward engine to remove[sub-frame comes out with engine and trans] and should only be done on a lift. hope i helped and use caution jacking and blocking,[ you can only be dead once.] and good luck

Answer 2

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