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XC90 '02–'15 General Forum for the P2-platform XC90 model |
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Vacuum Assisted Engine Mounts & Vacuum System TestViews : 35909 Replies : 58Users Viewing This Thread : |
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Sep 14th, 2014, 13:10 | #51 | |
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Sep 14th, 2014, 13:40 | #52 |
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The vac pump side of the solenoid is a constant hiss when disconnected from the solenoid controller Part 5. Its only when I disconnect the engine pad side that I can hear the sprinkler sound from the solenoid controller. Was hoping this was faulty as its easier to fix than the mount.... Will take it to the garage to get them to check it oot. Thanks
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Sep 14th, 2014, 14:23 | #53 |
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Put the pipe on your tongue, you'll feel it pulsing until the vacuum builds. If you have a leak the hiss will pulse each time the pump sucks. I had to use an inline filter to help steady the needle on the vacuum gauge, until the vacuum built up the needle on the gauge bounced all over the place ...
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Jun 27th, 2015, 17:49 | #54 |
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I reckon 2 years must be a record for me... Yes, I have only JUST today got around to replacing my vacuum hoses, haha.
Just can't figure out where this one goes to... from the front of the engine, whips around the right side of the block and disappears? It's NOT the rear mount one, managed to change that one. http://1drv.ms/1fN3EcE |
Apr 10th, 2017, 21:28 | #55 |
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Hi
Can I ask, Did you reseal your Vacuum Pump Part Number 08699237 with a seal kit from Volvo. or did you have to buy individual Seal? Also if there is a Kit would anyone have the part number please, as I am about to strip and re-seal mine. Thanks for any reply mate . Mine Car is a 2004 XC90 |
Oct 19th, 2017, 20:25 | #56 |
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Volvo XC70 D5 D5244T4
Someone can help me. I can not find fault. Volvo D5 2008 XC70. The engine works idle when working freely and after a moment it starts misfiring in it without burning in one of the cylinders. If I start to turn on electric consumers like a rear window heater, conditioner, dipped beam, fog lights, driving beam, seat heater, then the engine immediately works perfectly at idle. If I shut out one of the consumers, for example a driving beam, then the engine starts to misfiring at the instant that one of the cylinders will not work.
What I have checked and changed: I double checked the nozzles and placed the other nozzles for the third time (no changes) I drove all the wires from the control unit to the sensors to all of them and opened it, and found some of the wires that I had stripped off of the insulation. Repair them (no changes) I exchanged fuel rail pressure sensor, fuel rail regulator, injection pump, injection pump regulator, crankshaft sensor, camshaft sensor. (no changes) I checked the toothbelt condition and timing marks (all ok) I removed the valve cover and checked the camshaft wear and the rocks were not broken (everything is ok as new) I checked the compression 1 cil 28bar 2 cil 29bar 3 cil 30bar 4 cil 30bar 5 cil 30bar Help someone with smart advice. Last edited by Janis Dravnieks; Oct 19th, 2017 at 20:42. |
Oct 19th, 2017, 23:42 | #57 |
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Last Online: Mar 27th, 2024 16:55
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Welcome Janis
I have been to your country a couple of times - very beautiful. You have posted a question about your XC70 on the XC90 forum so that may be a problem. Also you have posted on a thread about Vacuum lines and engine mounts. Your problem seems to be electrical - maybe even as simple as the regulated voltage (~12v) being too high - so when you switch on something that brings the voltage down a bit - it works OK?? I would suspect battery or alternator (or a bad earth connection somewhere) Hope this helps but you will probably get better responses from the XC70 forum on a thread about misfiring or battery voltage. Cheers Dave |
Nov 13th, 2018, 09:27 | #58 |
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I know this is an older thread but every search I do I keep coming back to it
I had a lot of vibration through the car and have now changed every mount which seems to have nearly cured the issue but I know as part of the problem I had was a vacuum issue which seemed to mean I didn't have boost on initial pull away which was a nightmare when pulling onto a main road. As part of changing the vac mounts I changed some of the vacuum hose which initially seemed to fix the issue but now it has come back but after the car has run for a few minutes the fault goes away (service required) I want to replace the vacuum connectors into the mounts but not sure of size are they 4mm? Could I have an issue with the vac pump? Cheers in advance |
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Nov 13th, 2018, 09:58 | #59 |
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Hi,
I had similar years ago, test the mounts and pipes with a vac pump. You can test the vac pump with a vac gauge. I would also give the EGR valve and cooler a clean. You can use the vac pump on the actuator for the turbo to see if it feels it up and works any better.You can replace the turbo governor (about £150) but after all this it was the turbo, when replaced with a recon uint about £270 all was fine. HTH |
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