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bernsax
User
Nov 24, 2010, 3:04 PM
Post #1 of 11
(3990 views)
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2002 Grand Prix - The ABS light comes on and stays on for unspecified time. Sometimes after I start the car it stays off. Other times it comes on shortly after starting the vehicle and may stay on for a couple of weeks. This all started after having the front passenger side wheel bearing changed.
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 24, 2010, 3:43 PM
Post #2 of 11
(3987 views)
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There's probably something wrong with the speed sensor in that wheel but your going to have to get it scanned to find out if that is what's putting the light on. You can look around the area and see if there is anything obviously wrong with the wiring.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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bernsax
User
Nov 24, 2010, 10:11 PM
Post #3 of 11
(3979 views)
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Had the mechanic that replaced the wheel bearing reset the code twice. Same results.
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 25, 2010, 5:00 AM
Post #4 of 11
(3976 views)
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That just means the problem is current and you should be able to find it. Why didn't he read/repair the code instead of just erasing it?
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 26, 2010, 3:57 PM
Post #6 of 11
(3959 views)
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It doesn't do a bit of good to post the title of the TSB without the TSB itself.
The TSB you refer to simply states to check the harness for damage as I have already instructed the poster.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Elise Car Tech
User
Nov 26, 2010, 4:41 PM
Post #7 of 11
(3952 views)
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At the time I posted the NHTSA link I couldn’t find the actual 03-05-25-008 TSB. I didn’t want to leave you with nothing, so I posted the NHTSA link. My intention was to get back to you with the actual TSB when I found it. My goal here was to simply enlighten you to the fact that a TSB has been issued, that can be used to resolve your issue. Jim Banks is a colleague of mine. Open the link below and go to the second TSB. To resolve your ABS issue means replacing the existing ABS harness in your car with a new updated ABS harness. There is nothing to check on your current harness. The only thing wrong with it, is that it is obsolete.
Sincerely
Elise Savin
Link deleted...............not allowed
(This post was edited by Hammer Time on Nov 26, 2010, 4:42 PM)
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Hammer Time
Ultimate Carjunky
/ Moderator
Nov 26, 2010, 4:46 PM
Post #8 of 11
(3945 views)
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I am posting the entire TSB for you
Elise, Links are not allowed here so please don't post any more.
Bulletin No.: 03-05-25-008
Date: October 01, 2003
TECHNICAL
Subject:
Intermittent/Constant ABS MIL Illuminated (Replace Both Front Wheel Speed Harnesses) Models:
2001-03 Buick Century, Regal
2001-03 Chevrolet Impala, Monte Carlo
2001-02 Oldsmobile Intrigue
2001-04 Pontiac Grand Prix
Condition
Some customers may comment on an intermittent or constant ABS malfunction indicator light.
Cause
The front wheel speed sensor harness may wear or come into contact with the tie rod end stud. Additionally, the harness may, in some instances, loop over the tie rod stud. In this case, the wheel speed sensor should be examined for damage.
Correction
Replace original wheel speed sensor harnesses by splicing in revised wheel speed sensor harnesses. The new design harnesses are of a different length and have revised retention clip locations. Use the following procedure to replace the harnesses. 1. Raise and suitably support the vehicle on a hoist. 2. Disconnect the left wheel speed sensor harness from the sensor/bearing assembly. 3. Remove the harness retainers from the lower control arm. 4. Follow the harness back to the point where the harness enters the larger engine harness conduit. 5. Cut the electrical tape and open the conduit. Select a location where the splice will be within the engine harness conduit. Cut the original harness off. 6. Using GM/Packard Seal and Crimp Connectors, splice the two wires from the new harness to the old. Specific instructions for use of the Seal and Crimp Connectors are printed on the inside of the cardboard overleaf sealing the bag in which the harness is shipped. If Seal and Crimp Connectors are not available, you may use the crimp and solder type included with the harness kit. 7. Retape the conduit closed making sure to create an effective seal against road splash. 8. Route the replacement harness following the same path as the original. Fully seat the 4 retainers into the control arm. Note: In the next step you will be required to measure the distance between the last retaining clip in the control arm and the end of the electrical plug that connects to the wheel speed sensor. Failure to properly perform this measurement and suitably adjust the harness may result in entanglement or infringement on the tie rod stud. 9. Hold the end of the new electrical harness and stretch it firmly. Due to manufacturing tolerances, you will need to measure from the end of the plug (that attaches to the wheel speed sensor) to the rear edge of the first retaining clip. This distance must not exceed 24.7 cm (9.75 in). If the distance is equal to or greater than 24.7 cm (9.75 in), you must move the retaining clip to allow more slack at the control arm and less between the wheel speed sensor and the retainer. Repeat the measurement until properly adjusted. 10. Disconnect the right wheel speed sensor harness from the sensor/bearing assembly. 11. Remove the harness retainers from the lower control arm. 12. Follow the harness back to the point where the harness enters the larger conduit. 13. Cut the electrical tape and open the conduit. Select a location where the splice will be within the larger harness conduit. Cut the original harness off. 14. Using GM/Packard Seal and Crimp Connectors, splice the two wires from the new harness to the old. Specific instructions for use of the Seal and Crimp Connectors are printed on the inside of the cardboard overleaf sealing the bag in which the harness is shipped. If Seal and Crimp Connectors are not available, you may use the crimp and solder type included with the harness kit. 15. Retape the conduit closed making sure to create an effective seal against road splash. 16. Route the replacement harness following the same path as the original. Fully seat the 4 retainers into the control arm. Note: In the next step you will be required to measure the distance between the last retaining clip in the control arm and the end of the electrical plug that connects to the wheel speed sensor. Failure to properly perform this measurement and suitably adjust the harness may result in entanglement or infringement on the tie rod stud. 17. Hold the end of the new electrical harness and stretch it firmly. Due to manufacturing tolerances, you will need to measure from the end of the plug (that attaches to the wheel speed sensor) to the rear edge of the first retaining clip. This distance must not exceed 24.7 cm (9.75 in). If the distance is equal to or greater than 24.7 cm (9.75 in), you must move the retaining clip to allow more slack at the control arm and less between the wheel speed sensor and the retainer. Repeat the measurement until properly adjusted.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Elise Car Tech
User
Nov 26, 2010, 4:55 PM
Post #9 of 11
(3941 views)
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Didn't know about the link rule Hammer. First time here or on any auto repair forum for that matter. Thanks for posting the TSB. Found this forum by surfing. Looking foward to much more involement here. Been teaching auto repair and theory for 43 years.
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re-tired
Veteran
/ Moderator
Nov 26, 2010, 10:32 PM
Post #10 of 11
(3934 views)
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WOW, 43 YEARS ,IMPRESSIVE. Shop teachers with degrees are rare at the forum .Small world ,my father inlaw fly fished with Mr Banks in Alaska for years . He said he would like to swap tales with you, heck he may know you . Where did you get your teaching degree?I'll pass the info along.
LIFE'S SHORT GO FISH
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re-tired
Veteran
/ Moderator
Nov 28, 2010, 9:43 PM
Post #11 of 11
(3920 views)
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Elise ,,,, where are you bud?
LIFE'S SHORT GO FISH
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