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Old 11-04-2015, 01:05 PM   #1
dihorul
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Compression test, after I changed the tensioner

I've changed the chain tensioner and I had to retime the engine, but now the compression test comes out like this,
Cylinder 1 2 3 4
Dry 140 142 141 140
Wet 151 152 151 150
From what I've read, this is low, so something got messed up in the engine. What do you think?
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Old 11-04-2015, 01:25 PM   #2
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Originally Posted by dihorul View Post
I've changed the chain tensioner and I had to retime the engine, but now the compression test comes out like this,
Cylinder 1 2 3 4
Dry 140 142 141 140
Wet 151 152 151 150
From what I've read, this is low, so something got messed up in the engine. What do you think?
Per Bentley Manual, New TSI engines are anywhere from 160 to 203psi
Wear limit is 102 max so your engine is healthy, don't sweat it.
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Old 11-04-2015, 01:34 PM   #3
dihorul
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Per Bentley Manual, New TSI engines are anywhere from 160 to 203psi
Wear limit is 102 max so your engine is healthy, don't sweat it.
I've thought that the engine got messed up, when the tensioner failed. Maybe some bent valves, or something, since the timing was really off. But I guess, I got lucky. I only have 35,000 miles on the car.
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Old 11-04-2015, 02:30 PM   #4
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I've thought that the engine got messed up, when the tensioner failed. Maybe some bent valves, or something, since the timing was really off. But I guess, I got lucky. I only have 35,000 miles on the car.
And you didn't have a dealer look at it?
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Old 11-04-2015, 02:36 PM   #5
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And you didn't have a dealer look at it?
The car is salvage, it was in an accident and hit on the driver side. I took it to the dealer and he said that it is not under warranty, since it's salvage.
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Old 11-04-2015, 02:57 PM   #6
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If valves were bent you'd be down more compression that that.
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Old 11-04-2015, 03:08 PM   #7
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If valves were bent you'd be down more compression that that.
I know, that's why I said that I got lucky.
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Old 11-04-2015, 04:38 PM   #8
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ok. good talk.
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If you already have an intake, might as well just go big turbo while you're in the engine bay. Just my 2 cents.
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