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No belt. It has a chain.
go to the junkyard, buy a low milage engine, then replace with old one. It's cheaper to replace an engine than to do a timing chain.
If it is a vortec engine, then there is no timing ajustment. It's controlled by the computer
Whenever you rebuild the engine.
SORRY, But it don't have a timing belt. It has timing chain and gears.
the 1997 grand am has a timing CHAIN. it takes approx. 4-6 hours to replace. that is if you have done timing chains before. otherwise...it might take longer
Normally, not until an overhaul. But if you hear the chain making noise or the timing changes due to the chain jumping a tooth, then replace it, and all gears.
The 1997 Mercury Sable does not have a timing belt, it has a timing chain that normally requires no replacement and should last the life of the engine.
it cam if cam gear falls/snaps off but it is not a interferance motor
If its a v-6 It doesn't have a chain it has a belt and you should replace it every 90,000 miles. If its a 4 cylinder and you have over 150,000 miles on it then i would change it. The benefits will out way the cost. If the chain or belt breaks you will be replacing valves and possibly some pistons.
A 1997 Jeep has a timing chain.
YOU can if you have an engine scanner. if you have not fooled with the distributor then there is no need to adjust the timing because it is controlled by the ECM / computer. It will adjust it's self.