Question about 1997 Pontiac Sunfire

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Windshield wipers work but stop in the up position.

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The problem with your wipers is that your wiper switch is going bad that is one of the signs, they will eventually go all the way out and wont even come on at all, replacing the switch will cure most likely cure your wiper problem.

Posted on Jan 02, 2011

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The parking pawl has gotten stuck. It is a 1.25" long piece of metal that pivots on one end and is free swinging using gravity and centrifugal force. It is external to the motor and is exposed as part of the Stack-O-Plates that is on the output shaft of the motor and to which the wiper push rods are attached. When you turn the wipers off the motor will reverse direction and the pawl will swing outward using gravity and centrifugal force where it can jamb against a stationary tab mounted on the motor/wiper frame. This will allow the parking Stack-O-Plates-and-Spring gizmo to do their magic which puts the wiper arms in the parking position. If the pawl never swings out and engages the stationary tab then the wipers will swing through half a swing at which point a cam/switch that is internal to the pulse board (the cover on the motor output gear, three T20 Torx screws to remove) will tell the motor to stop because it thinks the wipers are nicely parked but instead the wiper arms will be stuck in the "Hello, I'm a dork" raised flag position.

If you can't see the pawl, you can feel for it around the edges of the motor output Stack-O-Plates. You can spray a light lubricant like WD-40 on it and wiggle it to get it to swing freely again. Do not use heavy oils or grease because the tab relies on gravity to swing and must move very freely to move to the outward parking position.

WARNING: Use caution while working around the wiper mechanism. If the key is on and the wiper lever is set to "Intermediate" then the motor can start unexpectedly. If your fingers are down there in the wrong place, the mechanism has more than enough power to break bones and/or peal the skin right off of them. Don't be afraid, just be deliberate and methodical and always be aware if the motor/electronics are energized.

It is very easy to remove the motor/wiper assembly so do not hesitate to do so. It is much easier to see what you are doing and confirm that this parking pawl is clean and free swinging. If the wiring harness is long enough then confirm that the mechanism is working after cleaning before reinstalling the motor/wiper assembly. Make sure you test the unit in approximately the same position as it would be when installed because the pawl relies on gravity to swing into position.

Unfortunately, my parking pawl was worn enough that I could not get it to reliably swing out just using gravity even after thoroughly cleaning and lubing with Deep Clean (like WD-40) spray. I had to add a small loop of a spring (like from a retractable ball point pen but bigger) around the end of the pawl to hold it in the "swung out" position. When the motor runs in the forward direction the pawl harmlessly swings out of the way when it passes by the stationary tab. I put one loop of spring around one tab on the end of the arm and around one tab of the clip that limits the swing of the arm. The loop of spring applies very light pressure but that is all it needs. I will try and post pictures of all this.

If you remove the Stack-O-Plates assembly from the motor output shaft (T30 Torx) to access the pawl to put a spring on like I had to then you will need to remount the assembly in the properly timed position. Leave the output plates and arms unmounted from the motor output shaft, plug the motor in, then turn the wipers to "Intermediate". When the motor stops then turn off the ignition switch or quickly disconnect the motor. The motor is now in the correct position. Remount the Stack-O-Plates so there is about 1/4" to 1" space between the pawl and the stationary tab. Test the unit to see if it reliably does all its parking gyrations then remount the motor arm assembly. Test it again a number of times before you put the cowl cover and wipers arms back on. You are now done. Try not to wear out the wipers by constantly turning them on and off for the next few hours of driving just so you can marvel at your handy work. :O)

Buy the way, if you turn the wipers off and they just wiggle a little bit while the motor goes ****-****-****-**** trying to do its parking thing then you need to alter (slightly) the relationship between the cam/switch arm inside the pulse module (again, the cover on the motor output gear, three T20 Torx screws to remove). There are two switch/contact arms in the center of the pulse board. The one closest to the board that engages the plastic cam mounted to the board is the one you want to change slightly. The other free floating arm is driven by the cam on the big motor output gear and is the contact to let the electronics know the output gear has rotated half a turn and the wipers are now parked. I bent the one arm closest to the pulse board away from its cam just slightly so that only about 3/4 of the "hook" on the end of the arm (you will know what I mean when you look at it) is hitting the ramp on the cam (the cam spins clockwise). Verify that the electrical contact actually opens a bit when the arm is riding on the high part of the cam. You may have to adjust and verify a number of times to find that sweet spot where it runs reliably. It took me half an hour of fiddling. O_0

Posted on May 23, 2011

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Bill J will you do mine?

windshield wipers work but stop in the up - 21baeee2-34bd-4daf-a328-5e3c720cb87e.jpg

Posted on Apr 19, 2014

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Posted on Jan 02, 2017

autodr
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SOURCE: 2001 Pontiac Bonneville SE, wipers won't go to rest postion.

the "horizontal park" mechanism is in the actual wiper motor assy.

Posted on Dec 05, 2008

  • 1 Answer

SOURCE: 2000 pontiac montana wipers stuck

This has happened a couple of times on my 1999 Pontiac Montana. Here's what I did to fix. Open the hood. Remove the shield over the the wiper cam mechanism on the passengers side. This is easy to access. Road salts and other dust and dirt gets in there and causes the sticking problem. Spray WD-40 in between the parts. Get in there with that little red spray straw and saturate it good, flush junk out. Get in the car and try the wipers. If I remember, you might have to manually place that little knob or lever on top of the cam in the opposite position to get it to resync, but try it first. Be sure the wipers are off when you're spraying the WD-40 so you don't injur your hands. I've had to do this twice and it worked both times.

Posted on Jan 16, 2009

  • 840 Answers

SOURCE: Windshield wiper problem

check the wiper arms first take off the end caps loosen bolts and adjust then tighten then try again please rate my response thank you very much

Posted on Feb 01, 2009

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1 Answer

Wipers stop in the middle of my wishield,will not park properly


Sorry , no adjustment .
Wiper/Washer System Components
The Wiper / Washer System consists of the following components:
• Windshield wiper / washer switch
• Windshield wiper system module / motor
• Windshield washer fluid pump
• Windshield washer fluid level switch
• WPR 25A fuse
Wiper / Washer System Operation
The windshield wiper motor module is part of the windshield wiper motor cover and controls the wiper motor operation. The windshield wiper motor is a 2 speed motor. Windshield wiper DELAY operation is a low speed wiper motor function with a variable delay interval between the wipe cycles. The DELAY interval is controlled through a series of resistors within the wiper / washer switch.
Park Position Operation
When the windshield wiper / washer switch is turned to the OFF position while the wiper motor is somewhere in mid-cycle, the wiper motor module will continue to operate the wiper motor until the wipers reach the park position. If the ignition is turned off while the wipers are in mid-cycle, the wipers will stop immediately where they are. The wipers will park the next time the ignition is cycled to the ON position.

Do you know how to do diagnostic's ?

Wipers Blades Do Not Park
Step
Action
Yes
No
Schematic Reference: Wiper/Washer Schematics
Connector End View Reference: Wiper/Washer Connector End Views
DEFINITION: This table diagnoses the wipers operate normally but will not return to the park position when the wiper operation is cancelled.
1
Did you perform the Diagnostic System Check - Vehicle?
YES - Go to Step 2
NO - Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2
Turn ON the ignition, with the engine OFF.
Move the wiper switch to the LO position.
Move the wiper switch to the OFF position.
Do the front wipers advance to the park position?
YES - Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
NO - Go to Step 3
3
Turn the ignition switch to the RUN position.
Turn the wiper switch to OFF.
Disconnect the wiper/washer switch connector.
Do the wipers park?
YES - Go to Step 7
NO - Go to Step 4
4
At the wiper/washer switch connector, measure the voltage of the windshield wiper switch signal 2 circuit.
Does the voltage measure greater than 1.0 volts?
YES - Go to Step 5
NO - Go to Step 8
5
Reconnect the wiper/washer switch connector.
Disconnect the wiper motor connector.
Measure the voltage of the windshield wiper switch signal 2 circuit.
Does the voltage measure greater than 1.0 volts?
YES - Go to Step 6
NO - Go to Step 8
6
Repair a short to battery positive voltage in the windshield wiper switch signal 2 circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
YES - Did you find and correct the condition?
NO - Go to Step 9
--
7
Replace the wiper/washer switch. Refer to Turn Signal Multifunction Switch Replacement in Steering Wheel and Column - Tilt.
YES - Did you complete the replacement?
NO - Go to Step 9
--
8
Replace the wiper motor cover. Refer to Wiper Motor Cover Replacement .
YES - Did you complete the replacement?
NO - Go to Step 9
--
9
Operate the system in order to verify the repair.
Did you correct the condition?
System OK
Go to Step 2

Jan 31, 2018 | 2005 Buick Century

1 Answer

2000 HYUNDAI ACCENT, problem is the Windshield Wiper operation is malfunctioning, in the Delay mode, and in the off position, Windshield Wiper arms/blades stop at the half point on the Windshield glas


The park position is controlled inside the motor/actuator assembly. Not sure if it can be repaired. See if it is assembled with screws versus rivets. A new assembly is less than $100.

Jul 05, 2017 | 2000 Hyundai Accent

1 Answer

Windshield wipers stop working


At the base of the wiper arm there is a plastic cap,pop this off ,underneath there is a nut that holds the arm in place ,if it gets loose the post will turn inside the blade.Just turn the wipers off and tighten the nuts with the blade in the parked position.

Jan 23, 2012 | 2003 Chevrolet Impala

1 Answer

2006 kia wipper works but stops in the middle of the windshield


It sounds like the the circuit board has gone bad and does not know where the base is any more so it will stop at the middle or the windshield. Auto Zone should have a new board if it's replaceable like the GM products. Good luck and hope this helps, In the mean time you can always turn your wipers on and pull the fuse out when it's at the down position so it's not up.

Jul 11, 2009 | 2006 Kia Amanti

1 Answer

Need to get a programmer dont know where its at


  • Windshield Wipers Continue to Run When Turn Signal and Windshield Wiper Switch Are Turned OFF
  • Damaged turn signal and windshield wiper switch .
  • Damaged windshield wiper motor .
  • Damaged windshield wiper control module.
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Pin Number Circuit Circuit Function 1 57 (BK) Wiper Motor Ground (Park) 2 28 (BK/PK) Wiper Module to Wiper Motor (Park Switch) 3 65 (DG) Wiper Motor Power (Park Feed) 4 61 (Y/R) Wiper Motor Common (RUN) 5 56 (DB/O) Wiper Motor LO 6 58 (W) Wiper Motor HI
Windshield Wiper System The windshield wiper system consists of :
  • Windshield wiper motor (17508) (F-type).
  • Washer system.
  • Windshield wiper control module.
  • Turn signal and windshield wiper switch (13K359).
The windshield wiper control module is:
  • Located at the instrument panel fuse panel.
The windshield wiper motor is:
  • Attached to the cowl top extension (021A36) .
  • Connected to windshield wiper mounting arm and pivot shaft (17566) .
The turn signal and windshield wiper switch features a:
  • Rotary wiper switch.
  • Push type washer actuator.
OFF/Low/High Speed
  • Has a two-speed, permanent magnet, three brush electric windshield wiper motor .
  • The windshield wiper motor has a brush rigging that permits selection of low or high speed.
  • When the turn signal and windshield wiper switch is in the LO position, the common brush and the blue/orange wire brush are used, and the windshield wiper motor operates at low speed.
  • When the turn signal and windshield wiper switch is in the HI position, the common brush and the white wire brush are used.
  • In HI position, electric current will bypass a portion of the armature winding causing the windshield wiper motor to operate faster.
  • When the turn signal and windshield wiper switch is moved to the OFF position, the windshield wiper motor will continue at low speed until the park switch outer contacts open.
  • When the park switch contacts open, the windshield wiper motor stops in the park position.
Interval
When the turn signal and windshield wiper switch is in the interval position:
  • The wipers make single wipes separated by pauses.
  • The rotary switch is on the end of turn signal and windshield wiper switch .
  • The length of the pause can be set from approximately 1 to 17 seconds.
  • Length of pause decreases as the rotary switch is rotated away from off.
  • Length of pause increases as the rotary switch is rotated toward off.
While in the interval wiper mode:
  • It is normal to hear a slight click at the beginning of each on/pause cycle. NOTE: When using interval wipers, the first wipe may not occur until after a pause of up to 17 seconds.

May 27, 2009 | 1994 Ford Mustang

1 Answer

Windshield wipers stuck upright when off


This is a commoon problem with what is called the "Park pawl stop". The tab is most likely bent and needs to be re-aligned, then the wipers need to be re-timed. This re-timing can be a little difficult, although the re-aligning of the tab is failry simple.

TechJK

Apr 02, 2009 | 2005 Chevrolet Monte Carlo

1 Answer

1999 Chevy Venture, Windshield wipers stop in upright position


You will need to replace the wiper transmission.This is a common problem.

Jan 24, 2009 | 1999 Chevrolet Venture

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