92 Lesabre antilock brakes dont work

Old 02-03-08, 02:09 PM
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92 Lesabre antilock brakes dont work

1992 Buick Lesabre antilock brakes

My anitlock brakes dont work and the rear shoes come on too early in the snow and ice.
I provided a link below where it says that these cars had problems with the (ABS) Pressure Modulator Valve (PMV) and the ABS Relay.
It sounds like a cheap fix if it is the relay.
I would like to know how to test and see if it is the relay.
Any where it is?


Old 02-03-08, 02:39 PM
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ABS systems are pretty complex. See if this helps:


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