Tip & How-To about Pontiac Sunfire
Most garages will ask for $1200 to fix it. Their solution is an overkill. They tend to replace most cables and sensors in the ABS system. Many new car owners prefer to buy cars without ABS mainly for the high cost of fixing it. I found a simple fix that should be tried before spending all that money. The fix can be used on other models. I noticed that my problem occured after heavy rain with frequent driving thru puddles and seemed to go away after few dry days. I took it on a dry day to a garage and asked to troubleshoot this problem with the mechanic (no need to mention the smile on his face). I started by disconnecting the cable from the front passenger side sensor (mounted over the disc brakes of the front wheel) and measured the voltage getting to the sensor, it was 5Volts. I reconnected the cable to the sensor and sprayed the equivalent of a cup of water on the cable until the warning light came on in the dash board. I disconnected the cable and I measured 2.5Volts at the connector end of the cable. That showed there is a crack in the cable. A quick inspection of the cable located the cracked spot. After drying the cable with a blower, I added some car grease to that spot and the mechanic wrapped it with a tight tape. Et voila! the problem is gone now for six winters with snow, salt and heavy rain. You may have to inspect all four sensors until you locate the problem. I learned to watch for the ABS warning light after going thru puddles just to remember which side of the car dipped into the salty melted ice on the road. That side would be the first on my list to test if the ABS light ever comes back.
Note: The car was raised on a fork lift, the engine is stopped and the ignition key must be in the Battery ON position when measuring the voltage with a voltmeter. A $5 voltmeter will do. I will never drive a car witout ABS brakes. There is a way to maintain that system for over 12 years without going broke.
Posted by CybrPete34... on
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