If you take off the distributor cap and crank it should the rotor spin?if not is the timingbelt broke?

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automatic hvac system in 98 bonneville?

Yes

if your overdrive wont shift into 5th gear do i have to replace the transmission?

The timing belt rotates the camshaft. The camshaft rotates the distributor. If the distributor doesn't rotate when the engine is cranked, you have a bad timing chain or belt.

I need to have a thermostat replaced, what price is too much?

Depending on the vehicle, you could have more problems than this. Some engines are what are called zero clearance engines. They depend on the valvetrain to be in the correct position when the piston reaches top dead center to allow the valve to clear the piston. On this type engine, when the timing belt fails, one or more valves are not in the correct position then the piston reaches top dead center. The valve comes in contact with the piston, causing severe damage to the valve, piston, cylinder head, or all of these parts.

Endless beep comes from a small speaker under the dashboard - 94 BMW 525i?

Not all engines are suceptable to this damage. But quite a few are.

my 1995 pontiac grand am heater is not blowing enough heat?

You need to check for this damage before you replace the timing belt as you may also need a major engine overhaul.

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My transmission makes a deep sounding clunk noise when I change from P to D and from D to R?

Distinct possibly, or the pin that attaches the distributor shaft to the cams is broken. Though it is more likely the timing belt is broken. ouch, Sorry dude,

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Air intake question?

The rotor should spin, however if it doesn't I don't think that would necessarally mean the timing belt. Could also be a mechanical problem within the distributer.

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Is it expensive to replace an EGR valve in a car?

Or the camshaft is broke

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Looking for a Thunderbird?

Yes, it should spin and, yes, it's likely the timing belt. Be careful, however, since some engines are classified as "interference" types, and breaking the timing belt while the engine is running will or can bend the valves. If you're going to replace the belt, ask your mechanic if it's an interference type engine.

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can anyone help me with sae to metric conversions?

your right i should move,,and yes its broke if it doesn't move,if yours is doing his then you need to replace it,,at least you knew to check that ,,good luck with it,,hope this help,s.,have a good x-mas.

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I am putting an engine back in my 87 chevy 3/4 ton I have a plug coming off the coil that I can't find a mate

Sounds like you are on the right track to me, but you don't mention what vehicle you have or what engine. That will help determine whether it is a belt or cam or some other issue.

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what is the weight of the intake and exhaust valves on a 1 cylinder engine?

The rotor should spin. It is most likely timing belt. possibly distributor but not likely. Good luck!

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Pontiac Bonneville 1993?

Usually this is an indicator of a broken belt

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