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Cars Q&A

my car is santro 2002 model , when i start A/c the engine is vibrate's more what can do for this.
By Wponsingh 12 December 2009
Expert`s comment:

May be engine rpm is set at a low speed and when the AC is put,it takes some load and hence the engine speed drops with AC operation in a very jerky and vibration.
Try to increase the engine idling speed and also check whether the Engine mountings and AC mountings are fully tight and no problem.
Dr P C Rao, Pune

Answer by Dr P C Rao 12 December 2009

Check timing belt tension and engine mounting rubber. This problem rarely occurs in a Santro.

Answer by Faramroze M Chyella 12 December 2009

check the belt and also the ac clutch. yes idle speed could be low check that also

Answer by S Sridharan 12 December 2009

You need to increase the RPM of the engine with authourised service centre,also check for fan belt,however it is normal for a car to vibrate a bit ,if ac is on,as it consumes same load from engine RPM

Answer by Nagesh Shukla 12 December 2009
Expert`s comment:

The main cause of engine vibration can be the weak engine bedding.Please get the same replaced.For increased vibration when AC is switched on, thorough inspection is needed.

Answer by Shiva Shankar 12 December 2009

my car is santro2005xp when i start engine is vibrate normaly .why .. what is prolem

Answer by Tushar 03 March 2015
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