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3 problems: AWD/Tracs Light/Air Pump/Intermitant pull to rt when braking

posted by  davidm on  Thu Nov 21 06:09 CST 2002
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The ABS/TRACS unit is a notorious problem plaguing 1996 and 1998 models. For 1998, the board cracks, usually breaking the connection to the sensor at the RR wheel (which is why a code scan points to a RR wheel sensor).

If the air Pump is operating, apparently a new checkvalve and a drainhole drilled in the bottom the the original air pump casing are quite effective (so far).

A pull to one side under braking usually indicates a sticky caliper coming on late, on the side of the car opposite to the direction it's pulling. When mine did this a few weeks ago on the 940, I squirted a small amount of high-temp Volvo silicone brake grease into the groove where the caliper parts are close together, and on the guide pins. Problem solved.

--
David \\ (98 S70 T5SE Black, misc mods (mostly lighting), red calipers) (92 940GLE)






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