Has anyone EVER timed a 1.8 cam chain?
Thread Starter
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1st Gear
Joined: Sep 2006
Posts: 36
Has anyone EVER timed a 1.8 cam chain?
I have had this posted for several days and no one has chimmed in with an answer. Any help would be appriciated. Here are some pictures. I have 16 rollers from green dot to green dot. Timing belt is right on. Car runs rough. At idle I get misfire on all 4 cyls (VAG-COM), but at part throtle no misfire. I thought maybe the chain was off a cog, but I'm not sure. Experts, chime in.
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I am editing this post so anyone who does this job yourself needs to have the green dot 1 spot
to the left on the exhaust cam pictured below to be correct (see diagrahm a few posts down)
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The cause of all this. bought the car with 97,000 miles and had head and belt replaced 1,000 miles before that. It now has 114,000 miles. Why oh why would they put old style belt tensioner on?
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I am editing this post so anyone who does this job yourself needs to have the green dot 1 spot
to the left on the exhaust cam pictured below to be correct (see diagrahm a few posts down)
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">The cause of all this. bought the car with 97,000 miles and had head and belt replaced 1,000 miles before that. It now has 114,000 miles. Why oh why would they put old style belt tensioner on?
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Thread Starter
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1st Gear
Joined: Sep 2006
Posts: 36
RE: Cam chain, am I doing this right? ("98 A4 1.8)
Thanks, I'll do that. I just did a compression test and I have 160-165 across all 4 cyl.If I was working on one of my old V8s I would suspecta vacume leak. I didn't find one, but may have to check again.
Senior Member
Joined: Jan 2008
Posts: 361
From: Colorado Springs, CO
RE: Cam chain, am I doing this right? ("98 A4 1.8)
you sure you lined the chain up right when you did it? It looks by the pictures that it is one tooth off on the exaust side? That would cause your problems. It may even throw the check engine light pointing to the HAL effect sensor (Cam sensor).
Thread Starter
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1st Gear
Joined: Sep 2006
Posts: 36
RE: Cam chain, am I doing this right? ("98 A4 1.8)
ORIGINAL: pimphell
you sure you lined the chain up right when you did it? It looks by the pictures that it is one tooth off on the exaust side? That would cause your problems. It may even throw the check engine light pointing to the HAL effect sensor (Cam sensor).
you sure you lined the chain up right when you did it? It looks by the pictures that it is one tooth off on the exaust side? That would cause your problems. It may even throw the check engine light pointing to the HAL effect sensor (Cam sensor).
Senior Member
Joined: Jan 2008
Posts: 361
From: Colorado Springs, CO
RE: Cam chain, am I doing this right? ("98 A4 1.8)
you wont hurt anything if the chain is 1 tooth off. the car will just run like ****. you are to start the count slightly to the left of the exaust side.
