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S40 / V40 '96-'04 General Forum for the Volvo S40 and V40 (Classic) Series from 1995-2004. |
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V40 1.9d idle noise rattle/clickViews : 1718 Replies : 12Users Viewing This Thread : |
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Apr 20th, 2017, 15:25 | #1 |
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V40 1.9d idle noise rattle/click
Can Anyone tell me what is making this noise? it only does it on idle, goes when the revs build. its intermittant (stops for a second or two every now and again. seems to be quiet when the engine is cold and gets a bit louder once its warm.
Clip on youtube link below, I cant work out how to attach a clip directly to the post on this forum! https://www.youtube.com/watch?v=dhZT50e29a4 |
Apr 20th, 2017, 16:27 | #2 |
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I had issues with my 1.9d when I first got it. In second gear it would dump all boost at 2.5k then after a few months it stopped. Then I realised the boat was fluctuating and fluttering like I had fuelled up with kangaroo juice.
Had the turbo checked out and all was fine. Unplugged maf sensor and the car worked perfectly and plugged it back in and was back on kangaroo juice. Bought a new maf sensor but it didn't fix the problem. I blanked off my egr valve to test that and it fixed the car. I think the egr actuator was fluttering the valve open and closed which was making the exhaust pressure fluctuate. Does the car hesitate or lose boost whilst driving? And gentle pulsing of power whilst cruising at a speed?
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Apr 20th, 2017, 16:50 | #3 |
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With the maf plugged in I have no boost until 4000 or more revs. Can't say about the hesitation
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Apr 20th, 2017, 19:00 | #4 |
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Can I unplug the egr and run it to see if the noise stops?
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Apr 20th, 2017, 21:10 | #5 |
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Not sure about unplugging it, I used some thin sheet metal (cut up drinks can) and put it between the actuator and the valve. Three bolts to remove it then just place the face into the metal and trace around and cut. The bolt holes were awkward with a drill but worked. Then just refit the actuator with the metal between that and the valve.
Carb cleaner into the manifold really helped response and low down acceleration. Just don't use the accelerator for a few minutes after starting and direct it to sound horrible as things burn off and move through.
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Apr 21st, 2017, 12:15 | #6 |
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I've tried unplugging the egr, didn't make any difference. Could this noise be the vvt?
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Apr 21st, 2017, 19:53 | #7 |
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That question is beyond me I'm afraid.
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Apr 23rd, 2017, 12:57 | #8 | |
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Quote:
In my case it was the clutch in the OAP (overrunning alternator pulley).
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'02 (51) silver Volvo S40 1.9D - RIP (Turbo) '02 (52) blue Volvo V40 1.8 - RIP (Head Gasket) '04 (54) blue Volvo S40 1.9D Sport - RIP (RTA) '18 (68) silver Volvo V40 T3 R Design |
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May 27th, 2017, 22:39 | #9 |
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rattle
just wandering if you solved the problam only my v40 td has got the same noise and its driving me mad.
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May 27th, 2017, 23:54 | #10 |
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Loose/broken baffles in front silencer box.
Engine vibrates more at tickover so noisy. As revs rise smoother so rattle stops. Mine, 2002, makes an awful noise when stopping. |
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