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Old 08-07-2014, 03:15 PM   #1
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Default Camshaft Installation - "00 A6 4.2 ART

I'm installing the intake camshaft on the left bank. Is there anyway to depress the valve springs so I can just lay the cam in and bolt down the caps?

If there isn't a tool or trick, I guess just carefully bolt down the caps following the torque sequence?

Thanks,
Skyrex
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Old 08-07-2014, 03:26 PM   #2
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Originally Posted by Skyrex View Post
I'm installing the intake camshaft on the left bank. Is there anyway to depress the valve springs so I can just lay the cam in and bolt down the caps?

If there isn't a tool or trick, I guess just carefully bolt down the caps following the torque sequence?

Thanks,
Skyrex
No…you don't want to do that because the various pistons are at various heights. You put the cam in (I use a little assembly lube on the lobes) and put the bearing caps on and just start the bearing cap bolts. Then bring down the caps maybe one or two turns at a time using the torque sequence.
Make DAMN sure you get the caps on the same way they came off!
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Old 08-07-2014, 03:51 PM   #3
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Originally Posted by SloopJohnB@mac.com View Post
No…you don't want to do that because the various pistons are at various heights. You put the cam in (I use a little assembly lube on the lobes) and put the bearing caps on and just start the bearing cap bolts. Then bring down the caps maybe one or two turns at a time using the torque sequence.
Make DAMN sure you get the caps on the same way they came off!
Thanks for the direction. The motor was at TDC when I removed the camshaft. So, hopefully, that will eliminate any interference problem.

I'll take the cap bolts down a couple turns at a time following the torque sequence. And, I numbered the caps when I took them out. Will also do the lube.

Tx,
Skyrex
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Old 08-08-2014, 03:04 PM   #4
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Originally Posted by Skyrex View Post
Thanks for the direction. The motor was at TDC when I removed the camshaft. So, hopefully, that will eliminate any interference problem.

I'll take the cap bolts down a couple turns at a time following the torque sequence. And, I numbered the caps when I took them out. Will also do the lube.

Tx,
Skyrex
Probably irrelevant…IIRC the little arrows on the cams need to line up with the arrows on the bearing caps (both intake and exhaust), then make sure there's the correct number of links between the cam sprockets. BTW, this would have been a great time to replace the plastic shoes on the cam chain tensioner…they're only $22 a pair or so online. If you haven't buttoned everything up….
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Old 08-08-2014, 03:04 PM
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