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Old 04-14-2018, 06:15 PM   #1
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My Camshaft Deviation Numbers

Camshaft Deviation #1: -7.02
Camshaft Deviation #2: -8.36

Read from a Durametric with the car at proper temperature (driven for 20 min+ prior). Car is a 2000S, running fine with no codes. Based on what I have read from searching the variocam pads need replaced. My question is can I expect to see the deviation come down within spec of +/-6 with just the pad change or could there be other things at play here?

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Old 04-14-2018, 06:34 PM   #2
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How many miles on the motor? And do you know if the IMSB is the original?
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Old 04-14-2018, 07:29 PM   #3
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How many miles on the motor? And do you know if the IMSB is the original?
76k on the motor. IMSB was changed by the previous owner at around 70k.
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Old 04-14-2018, 07:46 PM   #4
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Quote:
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...... or could there be other things at play here?
Sure thing, such as chain tensioners. I wouldn't redline the engine until you get this sorted out.

Just sayin'............

TO
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Old 04-15-2018, 05:23 AM   #5
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Worn variocam chain rails
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Old 04-16-2018, 06:36 AM   #6
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Replace both the variocam wear pads and the 4th and 5th timing chains. I had a 2000S with cam deviations of 7.xx and 5.xx. The wear pads were extremely worn on both banks. The cam deviations are now in the 2's.

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Old 04-16-2018, 08:39 AM   #7
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Pad change: parts don't cost much, but it's labour intensive. You can DIY if you are brave. I did mine when one was at 8 or nine. You need the cam lock tools ( I made mine).

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