SOURCE: On a chevy venture one windshield wiper is moving
Well, having just dealt with this on our 2000 Lesabre... this is an unfortunate fate for windshield wiper setups...
Basically the knurling on both the male & female portions of the wiper arm's pivot point have worn clean off, or are very close to gone.
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The following solution is my 'get it working now' fix... it's not as official and/or costly as replacing the whole wiper linkage... not to mention how difficult it may be in pulling apart the necessary components to first get at the wiper linkage, and then actually removing it from the vehicle(serious pain on some vehicles)... and then of course installing a new one, assuming you can even find/afford one through the local stealership.
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What I did, which has worked so far:
First, get access to the nut which holds the wiper arm to the pivoting point; there should be a cover or cap which will remove to expose this nut I talking about. Be sure the wiper arm is in a position that you want it in... then tighten that thing(the nut) if it's not already tight - a relative "really tight" is recommended, but do stop short of jumping on the ratchet or wrench. To verify tightness, check that wiper arm for wobble, i.e. semi-gently move/pivot it in all sorts of directions, to see whether it is actually sitting tight up against the pivoting stud that you just tightened the nut down against. I've seen the female/upper part of the wiper body lift & shift around which makes tightening things a bit of a fine tuning process until you manage to get the wiper body low & seated fully onto the pivoting stud part.
The next part is to more surely "bond" the wiper arm to the stud that it pivots on(and causes it to pivot too). Just make certain the wiper arm is tightened down in the position you want it to be(low/at-rest alike to the other wiper on the windshield) before proceeding
You'll very likely need a super hard drill bit to have success in drilling through the portion of the wiper arm that sits around the pivot-point/stud and into the stud itself some distance.
I'd suggest an 1/8" carbide drill bit(likely not available at your local hardware store, and I don't recall if anything less-hard will work to drill
that stud) acquirable via Use-Enco.com
Once a hole is drilled through the outer wiper arm metal(sometimes even as soft as aluminum, but regularly mild steel), and a good ways into the very hard pivoting stud material, get yourself an 1/8" diameter roll-pin/friction-pin in the 1/2" to 5/8" range and tap/hammer it into your newly made drill-hole. The roll/friction pin is designed to fit tight inside of an 1/8" hole so you won't find it coming out on its own(unless you didn't drill the hole deep enough, or wobbled the drill bit while drilling thus making the hole larger than 1/8").
Roll-pins, like wipers, are typically black so not much should be seen from any casual glance or typical once-over of the vehicle.
The fix should turn out to be(in every ideal sense) an easily disappearing, effective long term fix.
I hope that goes well for you.
SOURCE: wipers on 97 chevy venture won't go down when turned off.
The wipers appear to Malfunction by leaving the wipers up after turning
the wipers off. I found problem to be that corrosion sets in between the CAMS plates
that circle in an opposing fashion and does not let the wiper arms park
correctly. Be very careful with this mechanism if you have the cowling
off
TURN the KEY and WIPERS OFF and watch your fingers so you don't get them
caught.
WARNING if you leave the power on and try to move the arms This cam
mechanism springs to life and will try to self park the wipers on their
own so Turn the Power and Wipers Off.
SOLUTION:
1. With the ENGINE COLD, Spray a lubricant that FREE'S CORRODED PARTS
like WD-40 between the gap of the 2 CAM Plates and on Top of the plates,
or use some other automotive parts lubricant that free's corroded
parts(let it soak for 5 minutes).
2. Gently Try to manually move the arms back and forth a little bit so
that the spray works into the parts.
3. This may not be necessary but I had to do this the first time.
There is a notch in the top cam that has a STUD that locks the 2 CAMs
together. You can push on this STUD to unlock the cams by manually
moving the wipers(use a screw driver to push on the STUD and have a
friend gently move the wipers manually. Spray the area LIBERALLY with
with the Lubricant Spray and see if you can move the CAMS back and forth
and work the lubricant in.
Then with the wiper cover out of the way and all tools clear Try to
cycle the wipers HIGH and LOW, ON and OFF a few times it may stick the
first couple times with the wipers in the up position but I am confident
that the lubricant will work its way in and free these CAMS the way
they are supposed to.
Your wipers should self park after cycling them after 5-10times. This
should solve most of the problems with these
wipers and should be re-lubricated as needed. Clean up any extra
lubricant Put the wiper cover back on.
Hope this Helps
The CAM for the wipers that is about $85 at your local GM dealer.
It has instructions on how to install it correctly in the box the part
comes from. Good luck! and thenk you for using Fixya
SOURCE: the drive belt for my 99/ chevy venture is broke
Check all of the pulley grooves for debris and run a wire brush over them a few times. Also check the tensioner by removing the bolt in the center of it. If it looks ok, still remove the bolt because you have a 90% chance that it will fall apart when you remove it. The bolt holds it together if they break internally so it doesn't leave you stranded somewhere.
SOURCE: where do I add washer
there is a small access door along the side in the back with a plastic tank behind that door-it's there, just have to look around
sounds like a ground problem to me .....there should be a ground from your wiper motor to the body of the car
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