Question about Cadillac Catera
When windshield wipers are turned on they make loud humming noise but wipers don not move; have to manually tug on them then they wipe the window once and go back down.
This can be due to failure of the wiper mechanism or the control circuit.
Posted on Dec 29, 2013
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Posted on Jan 02, 2017
SOURCE: Windshield Wipers
Under the cowl (it is a plastic piece that the windshield wipers come out of) are the wiper arms that connect to the wiper motor. There are plastic parts that hold the wiper arms to the wiper motor. Lots of time these plastic parts dry out and break and the wiper arm will fall off the wiper motor. I would bet if you tried to move one of the wipers by hand both of them would move with little resistance. This would tell me that the wiper arms are disconnected from the wiper motor. The parts to fix this are easy to get. I know the motormite HELP line of parts used to have the plastic bushings to fix this problem.
Posted on Nov 23, 2008
hi from the uk to adjust n/side wiper arm ? if you look at where the wiper arm is fitted below screen you may have a cap/covering that conseals the nut that fastens the arm to the motor wiper spindle which has a milti spline for adjusting? remove nut and pull up the arm and reposition as to prevent hitting bottom of screen ?? however if your wiper arms are the type without this nut fastening ? then same principle as above for readjusting but you will have to raise the arm verticle and carefully prise the arm off spindle there is a tool for this job and makes it easier it is a wiper arm puller you may be able to borrow or purchase? they cost approx £11 in uk but can be used for multiple other jobs ? so try 1st method you may be lucky ? when you reposition arm tap it on firmly!when you are happy with position ? good luck !
Posted on Nov 12, 2008
Probably stripped the little splines where wiper arm attaches to pivot. Flip the cover up where arm attaches to pivot, and tighten nuts on there, but be careful not to go too far, its not hard to snap the pivot stud if you tighten too much. make sure wipers are off, in park position, and move arms to where they should be, then tighten. See if you still get loud noise after. If you do, somethings wrong under cowl, in the linkages or motor. You may be able to see something with flashlight or troublelight.
Posted on Nov 22, 2008
SOURCE: Wipers won't stop wiping.
Sounds like your intermittent wiper circuit is defective. Normally the intermittent feature is engaged by one of the functions on the multi-function switch (usually on the steering column). The circuit of the intermittent wiper periodically activates a relay that closes across the "Wiper On" switch. Your intermittent wiper circuit is likely defective and holding its relay closed (or the relay is stuck closed), thereby keeping the wipers on. Note: The wiper motor has an internal switch that opens when the wipers are in the park position and that is designerd to stop the wipers in the park position. When you turn on the wipers (or the intermittent relay is closed), the motor's internal switch is shunted such that the wiper does not stop at the park point of the cycle.
Posted on Oct 28, 2009
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