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ABS light is on?

Tiny
STRUXGL
  • MEMBER
  • 1997 CHEVROLET SILVERADO
I have a 97 Suburban with a 5.7 engine, 4x4,126, 00miles.
When I first start driving in the morning, I have no speedomator reading and it seems it will not shift out of first gear. The ABS light is also on. After a couple of blocks of driving, it will shift gears and I have a seep reading, The ABS light is still on.
I stop, turn off the engine, and restart. The ABS light is sometimes off and sometimes on and it seems to shift OK and I have speed readings. It works this way untill the next morning and we do it all over again. It seems to shift OK after it is good and warm. The ABS light is mostly off at this point. Sometimes when I brake, I hear the pulsating sound like the ABS is braking and I'm on dry hard road.
Is there any connection between the shifting and ABS?
Any suggestions about the shifting and speedomator?
Any idea on the ABS light sometimes on and other times off?
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Tuesday, September 18th, 2007 AT 12:03 AM

28 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be the vehicle speed sensor-the computer uses it to determine speed and to command shifting solenoids for transmission to operate properly. This video will show you how to scan the ABS system.

https://youtu.be/rTtAnsOlZU4

Please run down this guide and report back.
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Tuesday, September 18th, 2007 AT 2:56 AM
Tiny
JMDDFR
  • MEMBER
  • 1 POST
  • 1997 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 210,000 MILES
Can you give me a couple of places to check regarding why my anti lock light comes on?

Thanks
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Wednesday, September 2nd, 2020 AT 12:03 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,874 POSTS
Check the sensors at each wheel. Also, have the computer scanned. It may help determine where the problem is. Most parts stores will scan it for free.
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Wednesday, September 2nd, 2020 AT 12:03 PM (Merged)
Tiny
BORUCKI
  • MEMBER
  • 5 POSTS
  • 1995 CHEVROLET SILVERADO
  • 6.5L
  • 6 CYL
  • TURBO
  • 2WD
  • AUTOMATIC
  • 226 MILES
I have a 1995 diesel, 6.5 diesel turbo. Abs light is on, and trans will not shift. The truck does need a brake job also. I can't find a 1995 0bd1 code meter for a diesel.

If I do a brake job. Do you this the abs will start working again or should I change the speed sensor.

I really want to get a meter. Code meter for 1995 diesel. To check codes. Please HELP

John
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Wednesday, September 2nd, 2020 AT 12:03 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,874 POSTS
You don't need a scanner. Jump the A and B terminals on the OBD plug and you can get the codes from the check engine light.

As far as the brakes, new brakes won't eliminate a ABS light. It most likely is an issue with a sensor. As far as the trans not shifting, that is a different issue. Is the speedo working?
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Wednesday, September 2nd, 2020 AT 12:03 PM (Merged)
Tiny
BORUCKI
  • MEMBER
  • 5 POSTS
I don't know how to check this. Or were it is located. The speed sensor.

Can you recommend a code meter for a 1995 Chevy diesel obd1.

Thank you again.

John J Borucki
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Wednesday, September 2nd, 2020 AT 12:03 PM (Merged)
Tiny
BORUCKI
  • MEMBER
  • 5 POSTS
OTC code meters, can't find a web site for the co. They say, they might have one that does OBD 1 and for a 1995 diesel. If you can recommend a code meter please do.
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Wednesday, September 2nd, 2020 AT 12:03 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,874 POSTS
My memory isn't that good. LOL
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Wednesday, September 2nd, 2020 AT 12:03 PM (Merged)
Tiny
BORUCKI
  • MEMBER
  • 5 POSTS
I called the co. They say the 3822 will read codes. For a 1995 diesel.6.5 turbo.

I think I will first change the seed censor and see if corrects the problem.

The OTC 3822 cost 799.00 From Milex.

Let you know how I make out.

John
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Wednesday, September 2nd, 2020 AT 12:03 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,874 POSTS
John:

That is a lot of money. I wouldn't spend it if you don't plan to keep the vehicle for a long time. You could pay someone to do it many times for you for a lot less.
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Wednesday, September 2nd, 2020 AT 12:03 PM (Merged)
Tiny
YAMAHARACIN
  • MEMBER
  • 1 POST
  • 1995 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 165,000 MILES
So my truck can still stop but my ABS light is on and when I press my brakes they dont even do anything until it almost touchs the floor. When its off it touches the floor still but then if you pump it, it will get tighter. It does it when its on too but not as good. Any suggestions?
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Wednesday, September 2nd, 2020 AT 12:03 PM (Merged)
Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Fill up the master cylinder with fluid and pump up the brakes
and check for leaks in the lines

*****************************************
need manual CHECK IT @
https://www.2carpros.com/kpages/auto_repair_manuals.htm
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Wednesday, September 2nd, 2020 AT 12:03 PM (Merged)
Tiny
BORUCKI
  • MEMBER
  • 5 POSTS
Ok, changed the speed sensor and been driving the truck. Everything was good till tonight. SBS light came on, and truck would not shift, turned the key on and off 4 times and abs light went off and truck shifted.

I do have found it, while changing VSS, a small antifreeze leak on a line going to the trans.

Truck drove good after VSS for one day. Please advise again.

John
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Wednesday, September 2nd, 2020 AT 12:03 PM (Merged)
Tiny
2CP-ARCHIVES
  • MEMBER
  • 4,540 POSTS
  • 1995 CHEVROLET SILVERADO
  • 290,000 MILES
ABS light came on a few weeks ago. How do I find the problem and make repair?
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Wednesday, September 2nd, 2020 AT 12:03 PM (Merged)
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Let's start with what codes do you have?
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Wednesday, September 2nd, 2020 AT 12:03 PM (Merged)
Tiny
STRETAR
  • MEMBER
  • 6 POSTS
No codes
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Wednesday, September 2nd, 2020 AT 12:03 PM (Merged)
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Is the abs light still on while your driving?Also how and when did you check for codes?
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Wednesday, September 2nd, 2020 AT 12:03 PM (Merged)
Tiny
STRETAR
  • MEMBER
  • 6 POSTS
Abs light stays on all the time. Had a friend with a reader plug in and show codes.
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Wednesday, September 2nd, 2020 AT 12:03 PM (Merged)
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Lets try to flash the codes out let me know what you find I posted how to bellow.
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Wednesday, September 2nd, 2020 AT 12:03 PM (Merged)
Tiny
STRETAR
  • MEMBER
  • 6 POSTS
Thank you for the information. Sorry for the delay in responding.
I used a jumper as suggested and the reading I got was a 2- 5 flashing of the ABS light.
What next?
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Wednesday, September 2nd, 2020 AT 12:03 PM (Merged)

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