Re: LT31 1986 DW jerking at 2000-2300 rpm


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Geschrieben von Tiemo am 16. März 2021 21:24:14:

Als Antwort auf: Re: LT31 1986 DW jerking at 2000-2300 rpm geschrieben von emilio da roma am 16. März 2021 17:20:24:

Hello Emilio,

if the enginge itself shakes, regardless to the gears, the problem might be the cooling fan, viscoclutch, or the vibration absorber with the v-belts the cooling fan is mounted on. There might be an unbalance, perhaps due to aged polymer in the absorber. You can try grabbing the fan at one of its blades (but not break it!) and move it forth and back. If there is visible clearance, this should be examinated closer.

Annother possibility might be a bad injector that reduces power of one cylinder, so the engine is not running smoothly. This would not occur driving downhill with throttle lift-off.

Ciao,
Tiemo



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