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The mkiv Supra Owners Club

Changing cam belt - remove spark plugs


Ady
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Am going to start on replacing my cam belt this weekend.

 

Is it wise to remove the spark plugs? as you need to rotate the cam pullies?

 

With the plugs in wont it make it difficult for the pistons to move up and down if the plugs are left in?

 

Cheers

 

Ady

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Am going to start on replacing my cam belt this weekend.

 

Is it wise to remove the spark plugs? as you need to rotate the cam pullies?

 

With the plugs in wont it make it difficult for the pistons to move up and down if the plugs are left in?

 

Cheers

 

Ady

 

Yes, otherwise you'll get compression in the cylinders.

 

Paul.

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Not done a cambelt on a supra before, but you should be able to turn it with the plugs in, will just be a lot harder!

 

Paul.

 

That what I thaught. I need to replace them anyway - have a set of Iridiums ready to go in. So ill whip them out and change the cam belt and drive belt and add in the new ones as part of the belt change

 

cheers paul

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You dont have to take the plugs out, it just makes it easier to turn the engine. One of the easiest cam belts ive ever done, you'll have a hell of a job removing the crank bolt

 

ahhhh haaaaa - I have got a trick up my selave for removing the crank bolt :p

 

Air gun and if that fails then......................... wait and see :)

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ahhhh haaaaa - I have got a trick up my selave for removing the crank bolt :p

 

Air gun and if that fails then......................... wait and see :)

 

Before you take the cambelt off, loosen the crank bolt. get a mate to stamp on the brake pedal and put her in gear :)

 

Paul.

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Before you take the cambelt off, loosen the crank bolt. get a mate to stamp on the brake pedal and put her in gear :)

 

Paul.

 

Was going to wedge it closed with a breaker bar from under che chassi. the switch the key to loosen it.

 

apparently it was the only way to do some of the old vauxhall ones?

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