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post #1 of 6 (permalink) Old January 11th, 2017, 06:04 Thread Starter
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mr2 spider 2001

Hi can anyone tell me how to change the cam belt without taking the engine out of my mr2 spider 2001,
thanks kindly
Russell Walker
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post #2 of 6 (permalink) Old January 11th, 2017, 08:35
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The timing belt? Pretty sure you have to drop the engine on all mr2 generations to change it.
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post #3 of 6 (permalink) Old January 11th, 2017, 12:37
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The spyder does not have a timing belt. It has a timing chain which is completely enclosed by an oilproof cover. You would not want to change it unless you are doing an engine overhaul.

As for the timing belts, I think that they can be changed in place.
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post #4 of 6 (permalink) Old January 11th, 2017, 15:08
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Quote:
Originally Posted by rmeller View Post
The spyder does not have a timing belt.

As for the timing belts, I think that they can be changed in place.
Err, so you mean the A/C and Alt belts? Those should be no problem to change in place without dropping the motor, but op said the cam belt which I would assume means timing belt/chain.
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post #5 of 6 (permalink) Old January 11th, 2017, 18:48
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On the cars that have a timing belt, such as the MK1 with 4AGE, the belt can be changed on the vehicle without too much fussing. Take off the right wheel and the accessory belt and pulleys. The timing belt cover is just a plastic dust cover.

On the spyder, the 1ZZ engine has a timing chain. The shop manual shows changing the chain on the vehicle, but it looks like a frigging nightmare. An engine mount is removed and the engine is supported on a jack. Most of the accessories and the cam cover are also removed. When the chain cover is replaced, it has to be sealed.

The difference between a timing belt and a timing chain is that the belt is a maintenance item. You want to replace it before it fails. The chain does not have a specific working lifetime. You would only want to change it if it has worn to the point where the pitch has changed, and this is something that you would attend to if the valve timing was out of spec, or in an engine rebuild.
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post #6 of 6 (permalink) Old January 12th, 2017, 09:09
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On the MK1 that might be possible, I never got that deep into maintenance when I had one, but I don't think I'd ever be able to do a belt change on the mk2 with it still in the car. You have to remove the crank pulley to get the timing cover off and that just isn't going to happen with the engine mounted up.

But yes, my 2zz celica had a chain as well and I know it's not a wear item like the belt. You weren't exactly clear in your earlier comment when you brought up belts after saying that the mk3 didn't have one.
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