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Diesel Engines A forum dedicated to diesel engines fitted to Volvo cars. See the first post in this forum for a list of the diesel engines. |
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Xc90 vibration at idleViews : 3018 Replies : 6Users Viewing This Thread : |
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#1 |
Member
Last Online: Nov 20th, 2018 17:24
Join Date: Apr 2013
Location: Barnsley
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Hi my 2005, xc90 d5 has a vibration at idle.
Having heard about the vacuum mounts I've been out with a vacuum gauge. If I remove the front vac pipe from the front mount and block it off, then remove the pipe from the rear mount and replace with the vacuum gauge I get 25"hg which I believe shows the pipework and solenoid to be ok? If I reconnect the rear pipe to the mount the system shows 15"hg with the front still blocked ? If I unblock/replace the pipe to the front mount and have the gauge inline (both mounts connected) the system runs at 7"hg, is this normal or should I get 25"hg ? I have previously replaced the top mount due to obvious spitting and the front/lower torque arm due to a slight knock. |
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#2 |
Member
Last Online: Nov 20th, 2018 17:24
Join Date: Apr 2013
Location: Barnsley
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Anyone, can I test the mounts this way ?
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#3 |
Lunatic from Wakefield
Last Online: Apr 16th, 2023 06:33
Join Date: Dec 2004
Location: wakefield
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diisconect the pipe at the t piece going to each mount , place you mittyvac on each pipe and in turn to check each mounts to see if they are holding vac.if they are okay then check the pipes and Tcg.
mike
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2012 volvo xc90 Executive Buccaneer Bermuda 2021 |
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#4 |
Member
Last Online: Nov 20th, 2018 17:24
Join Date: Apr 2013
Location: Barnsley
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Hi Mike
I've order a mittyvac, just waiting for it to arrive. The pipe work etc holds 25"hg as I tested that with a pressure gauge, so I suspect a mount. The gearbox is sat on the bump stop, I assume it shouldn't be ? Also what is the TCG ? thanks |
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#5 |
Premier Member
Last Online: May 6th, 2024 10:16
Join Date: Aug 2010
Location: Kent
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Mine had a lot of vibration at idle, and got worse when I selected reverse. This was cured when I had the front and rear vacuum mounts, gearbox torque mount and top engine mount replaced.
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#6 | |
Lunatic from Wakefield
Last Online: Apr 16th, 2023 06:33
Join Date: Dec 2004
Location: wakefield
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![]() Quote:
![]() Mike
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2012 volvo xc90 Executive Buccaneer Bermuda 2021 |
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#7 |
Register Keeper - S80, P2, and P3
Last Online: Today 06:28
Join Date: Feb 2013
Location: North Yorkshire
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My v70 had a horrible vibration and shaking at idle. Had me stumped as all the mounts were fine. vida revealed it to be number 2 injector with the fuel correction out of spec. Started and drove fine just at idle it vibrated. Fitted a new injector and it's been fine ever since. Just a thought.
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