Throendly Gustavo Posted June 14 Report Share Posted June 14 Good morning... my Dodge 46 custom has a vibration problem when reaching 50 and 60 miles/hour. And when the engine is idling in gear it tries to move the car. What can be? Quote Link to comment Share on other sites More sharing options...
Roofus Posted June 14 Report Share Posted June 14 For vibrations, the causes are numerous, but for the displacement it is completely normal with the fluiddrive 1 Quote Link to comment Share on other sites More sharing options...
greg g Posted June 15 Report Share Posted June 15 (edited) If your drive shaft has the ball and trunion joints on both ends, swap it end to end. This is some times to move the balls to a less worn place along the trunion. After 75 plus years they could benefit from running on less worn sections. This assumes your tires are balanced and you have no bent rims. As to your car creeping at idle, idle speed should be 450 to 500 rpm. Fluid drive will apply twist to the drive line while idling in gear unless the clutch pedal is depressed. Edited June 15 by greg g 1 1 Quote Link to comment Share on other sites More sharing options...
Throendly Gustavo Posted June 16 Author Report Share Posted June 16 Good morning Greg. I haven't mentioned it, but the vibration also occurs when empty, that is, with the car stopped and in neutral as well. It also vibrates when the engine is accelerated when reaching certain revolutions. Quote Link to comment Share on other sites More sharing options...
greg g Posted June 16 Report Share Posted June 16 Does the car have a simple crankshaft pulley or a vibration damper. If vibration dampened is delaminating that could be the source. A bent simple pulley might also feel like a vibration. Also you could you be feeling the missfire of blown head gasket and feeling it as a vibration. A compression test would reveal that. 1 1 Quote Link to comment Share on other sites More sharing options...
Solution Plymouthy Adams Posted June 16 Solution Report Share Posted June 16 also you should pay close attention to the isolation mounts, front of engine, at the transmission cross member and do not overlook the fact the rear shackle bushing could be shot keeping your driveline out of phase or grounding......and couple this with higher than normal idle speed....you can creep....good inspection is needed, tune per specs/verified a must. 1 1 Quote Link to comment Share on other sites More sharing options...
Throendly Gustavo Posted Friday at 01:16 PM Author Report Share Posted Friday at 01:16 PM Thank you very much Adams. I think that's where the problem lies, since I verified that you also noticed the vibration that I feel in the body when accelerating the engine at certain revolutions. With the car stopped Quote Link to comment Share on other sites More sharing options...
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