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You don't, the timing is computer controled and needs no attention unless the timing gears strip in which case you properly align the camshaft and crankshaft before slipping on the new gears&chain or timing belt if so equipped.
there are no timing marks on a timing belt. the marks are on the timing gears and yes you can find the pictures needed in a workshop manuel
how to set your gears for timing belt on 1999 kia sephia
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A gear train is one way to keep the valve train in synch with the crankshaft, which is essential for engine operation. If your car uses gears, that means that the gears get a lot of wear, which might mean readjustment every once in a while, and replacement after so many miles. Find a good mechanic for that type of car, and ask. some engines have timing gears that mesh some engines have a timing chain and some have a timing belt.as for timing maintaiance, once timing is set, unless something breaks or distributer is removed, u should neve have to touch you timing.PS. timing gears are so much better than chain or belt, but not many engines made like that anymore
Speaking from my own personal experience with timing chains, there should be a mark on both the crankshaft and camshaft gears. You line up the marks, pointing toward each other.
Unless you're fortunate enough to find a repair manual, doubt you'll find a diagram. The key in replacing the chain and gears is proper timing mark alignment. Have your timing marks turned towards the left side of the engine (this should be the oil filter side) and there should be twelve pins on the chain between the timing marks on the gears. If you try to align the marks like a later model engine (that is, pointing towards one another) well,...............................
I could be wrong, but I have a Vortec 350 in a GMC truck and I think the computer handles the ignition timing. If your talking about valve timing I would assume there are marks on the timing gears like the days of old, but I haven't torn the timing cover off of mine yet.
Look at the plate behind the cam gears and u will find Two marks in between the gears.one has an e and the other an I. Line the pulleys with the Marks
The make would help. Some used a timing chain and others used gear to gear. The distributor could be worn also.
If you have a 6 cylinder 3.0L the timing marks are located on the crankshaft gear for the timing belt (its just a notch on the rear of the gear just spin it clockwise until you find it) that lines up with a notch that sicks out from the block just above it. The camshaft marks are little arrows on the camshaft gears which line up with little marks on the cover plates that close the back of the gears in (about 1 o'clock)
http:/www.tciauto.comTCI has drive gears, driven gears & calculators.