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S80 '98-'06 / S60 '00-'09 / V70 & XC70 '00-'07 General Forum for the P2-platform S60 / V70 / XC70 / S80 models |
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Popping noiseViews : 1423 Replies : 15Users Viewing This Thread : |
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May 20th, 2019, 17:56 | #1 |
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Popping noise
New mounts , new tcv ,new boost solenoid new turbo.
Its been in the garage today , the fella says the fat pipe to the egr should be hard when the engine is running , which it isn't. Can a problem with the egr cause a vacuum leak?
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2003 Volvo v70 d5 manual |
May 20th, 2019, 18:16 | #2 |
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Hi what fat pipe to egr ?
Do you mean the air pipe to the EGR mixer pipe then to the engine inlet, This pipe will only be hard when the car is making boost pressure , it will not make boost on tick over, if it is this pipe run away do not use this garage , he does not have a clue, Yes the egr can make a vacuum leak if not closing, the egr valve should be closed when car is making boost, Dave Last edited by davebb; May 20th, 2019 at 18:21. |
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May 20th, 2019, 18:36 | #3 | |
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Quote:
Having replaced most things and still having a problem , I'm not sure what's next. The car has no guts down low but at motorway speeds its got power??
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May 20th, 2019, 18:45 | #4 |
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Hi you need to log the boost vs rpm, do this in 3rd gear,
is this why you have fitted a new turbo, have you tested it for any boost leaks, Dave |
May 20th, 2019, 18:48 | #5 |
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is there any smoke when the car is driving
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May 20th, 2019, 18:51 | #6 |
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No smoke , btw I'm no mechanic.
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