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Car Forum / Land Rover Cars / November 2007P38 diesel - engine vibration at idle / low speed
hi. I'm hoping that some kindly soul can help me with my infuriating problem with my P38 diesel. I have an intermittent problem where the engine vibrates quite badly at or around idle speed. This is when the vehicle is stationary too so it has nothing to do with transmission. I'm not sure that it might even be a misfire? Please help someone!!! Dave > hi. > I'm hoping that some kindly soul can help me with my infuriating [quoted text clipped - 5 lines] > > Dave I don't know how yours works but is it possible to crack off each injector with a rag over them to identify which one makes it vibrate more the least? I.e. which one may be fecked. Lee D > > hi. > > I'm hoping that some kindly soul can help me with my infuriating [quoted text clipped - 11 lines] > > Lee D Yeah you can do, it's just got regular injectors but it just doesnt seem like an injector playing up. its more "harmonic" if that makes any sense. The vibration is at tickover rpm and then again at about 900rpm. I havent revved the nuts off it too see if the vibration occurs further up the rev range or not as it was past little ones bed time and the garage is outside her window. I've had a search on the groups and suchlike and a strange thing i've read is that the viscous doobrey on the fan wobbles like buggery causing the vibration. There is a little ibt of play in it mind but not much. Likely or not?? Dave > Yeah you can do, it's just got regular injectors but it just doesnt > seem like an injector playing up. its more "harmonic" if that makes [quoted text clipped - 7 lines] > > Dave Pull it off. That way you'll know for sure. Probably easier said than done and no doubt require roof and rear axle removal if it's owt like half the simple jobs I start. Lee D > > Yeah you can do, it's just got regular injectors but it just doesnt > > seem like an injector playing up. its more "harmonic" if that makes [quoted text clipped - 13 lines] > > Lee D yep. good plan. what i'll do tomorrow is to try get it to do it again tomorrow and then whip the fan off and see if it still does it. I fixed the blend motor the other day and had a perfect vehicle for at least 24hours! f.cking thing. Shame its such a nice vehicle otherwise i'd have no problem getting rid of it. I'm going to attack things in following order 1.) fan/viscous bit 2.) new engine mountings 3.) scary engine related stuff any other ideas greatfully recieved as per usual!!! Dave Sucking his keyboard for inspiration, Lee_D typed: >> hi. >> I'm hoping that some kindly soul can help me with my infuriating [quoted text clipped - 11 lines] > > Lee D OK, Dave - crack one off and let us know how you get on. :-)  SignatureRich B Ducati GT1000 Take out the obvious to email me. Rich B <richard.brookmanNOSPAM@THANKSbtinternet.com> uttered summat worrerz funny about: > Sucking his keyboard for inspiration, Lee_D typed: >>> hi. [quoted text clipped - 14 lines] > > OK, Dave - crack one off and let us know how you get on. :-) You'll never know how much I wresteled with the origional reply ;-) Lee D would explain the vibration i suppose............ Sucking his keyboard for inspiration, Dave R typed: > would explain the vibration i suppose............ ... and the state of the ashtrays ... SignatureRich B Ducati GT1000 Take out the obvious to email me. well its not fixed, but i feel alot more relaxed about it..................... > hi. > I'm hoping that some kindly soul can help me with my infuriating [quoted text clipped - 3 lines] > I'm not sure that it might even be a misfire? > Please help someone!!! Have you checked the rubber of the engine mounts? Mate had one that did this, actually I can't remember now if it was an engine or gearbox mount. SignaturePaul - xxx > Have you checked the rubber of the engine mounts? Mate had one that > did this, actually I can't remember now if it was an engine or gearbox > mount. I was going to suggest that, and even go so far as to suggest checking that the blasted thing is bolted in, on one of my cars I undid the mounts and re-attached them but didn't use threadlock, and less than two days later the bolts on two of them had vibrated *out* (three per mount) and the engine was rearing up under load and knocking on the engine cover! That was on a smooth-running petrol too. SignatureBlast off and strike the evil Bydo empire! > hi. > I'm hoping that some kindly soul can help me with my infuriating [quoted text clipped - 5 lines] > > Dave theres an archive at http://rangerovers.net/newrremedies.htm listing common problems with the P38. Derek Hi, I will be interested to know if you solve this problem as mine does axactly the same! (1996 P38 DSE) Regards Martin >> hi. >> I'm hoping that some kindly soul can help me with my infuriating [quoted text clipped - 8 lines] > common problems with the P38. > Derek |
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