Toyota LandCruiser: vibrating at higher speeds
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Asked by Clive Venn, Bracken Ridge
The engine in my 2000 Toyota LandCruiser GXL diesel appears to develop a vibration on a smooth level road at about 70 km/h and between 1200-1300 rpm that appears to affect the whole vehicle, but goes away with slight acceleration. One repairer said the problem was in the torque converter and fitted a torque converter lock-up switch, but to no avail, they then said the injectors and fuel pump required overhauling. At this point of time only injector cleaner was used on a number of occasions and fuel filter changed, but the problem is still there. The vehicle has four new tyres in balance and the driveline has been checked. The problem cannot be replicated with the engine in neutral and operating at the same rpm range. There is not the slightest indication of the engine having injector or fuel pump problems at any other and speed or operating conditions and there is no evidence of exhaust smoke. The real issue is that should the pump and injectors be serviced at approx $3600 when no one will guarantee that this will solve the problem?
Answered by CarsGuide
4 Jan 2013I wouldn't be doing the fuel pump and injectors; it doesn't seem likely that that will solve the problem. I would be focusing on the drive side of the vehicle, I reckon it's a vehicle speed related problem, perhaps a wheel bearing.
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