The one pictured above is what mine looks like. Is it "serviceable"? I think (think) the two halves are riveted together. Am I just wasting my time to try to fix mine? Anyone recommend a remanufactured wiper motor?
CK5
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Wiper discussion.
- Thread starter TommyD11730
- Start date
I would give it a try. Clean the commutator, make sure the brushes spring out/back like they should and regrease it is about all you can do. I've done it to window motors, with only modest improvement. Usually the biggest issue is voltage drop in the wiring. You should measure voltage to the motor while it's running. While the motor is out, you might check the drag through the linkage and stuff. Something else could be worn or need lube.
Oh, also look for an overload protector or PTC type device on the inside of the motor power terminals. Those things can gain some resistance when they get old. Bypassing them (like solder across) is technically unsafe by some definition, but it's probably safer than wipers not working.
Oh, also look for an overload protector or PTC type device on the inside of the motor power terminals. Those things can gain some resistance when they get old. Bypassing them (like solder across) is technically unsafe by some definition, but it's probably safer than wipers not working.
Interesting my intermittent functions not working on mine, isn't there a board on the column that controls that?
There is a pulse module plugged into the harness.
When my '90 Jimmy had no intermittent function, it turned out to be the motor, the wipers kept running. It also had the problem of not shutting off unless you turned the switch towards "mist" to stop them.
Mine go off and park fine just no intermittent.
This is the park switch. Replacing the motor fixes it because the motor comes with a new park switch. You can also just replace (or clean) the switch. It can be measured with an ohm-meter to know if it's working right.
Usually when the board goes, nothing happens when you select the delay modes, but regular low and high speeds still work. The stock wiring is designed such that the delay board can be unplugged an bypassed. Before junking a delay module, it's worth checking the one axial-lead diode on the board.
Yup! And good info there!
Ill check that board then because it does exactly as you say.
jimmy88
1/2 ton status
What grease are you guys using on the gears when rebuilding the unit?
We used silicone based grease on power window motor gears when we'd replace a stripped one,the stuff with teflon in a toothpaste tube sold as "Super-Lube" in parts stores..--the stuff in them originally looked like the same semi transparent type of grease...other types like wheel bearing or chassis grease would likely thicken up too much in the cold..
I never cared for white lube,but that was in some power window gearboxes when we took them apart..or something similar looking anyways..
I never cared for white lube,but that was in some power window gearboxes when we took them apart..or something similar looking anyways..
Is there a built-in way to "increase travel" from the motor? I bet if I adjusted the wiper blades to "park" near the windshield gasket, there would be 6+ inches it would "miss" at the top of the wipe.
I'm so used to modern vehicles that the K5 wipers just don't cut it. New vehicles don't seem to change the speed the blade moves regardless of delay setting. On the K5 however, it seems like the wipers slow down/lose power as you get into the delay settings. A bit more consistent when on low or high speed, but improvements I'd like to see would be A) more force at every wiper speed B) more travel across the windshield.
I'm so used to modern vehicles that the K5 wipers just don't cut it. New vehicles don't seem to change the speed the blade moves regardless of delay setting. On the K5 however, it seems like the wipers slow down/lose power as you get into the delay settings. A bit more consistent when on low or high speed, but improvements I'd like to see would be A) more force at every wiper speed B) more travel across the windshield.
jimmy88
1/2 ton status
Thanks, silicone it will be.
