My son has a 1997 Chevy Blazer that has a problem with the ABS brakes I think can some one help me? The car runs fine for a while then it shifts into neutral speedo drops to 10 MPH even though you are doing 30 or more, the ABS brake motor starts to run and the brakes seem had to stop the car. The car also will shift in and out of gear or will be stuck in a lower gear.
Indicates a problem PCB unit
run the fault codes to determine the fault area
SOURCE: 99 f250 SD 7.3
Your speed sensor in your trans. needs to be checked out sounds like its not working or not getting a good signal until its generating enough power and speed to start until it reaches 30 MPH. Check that out sometimes it could just be some dirt on it. It all makes sense the ABS light is on because its not reading the speed of the tires, and the AOD light is on because It has no idea when to shift into overdrive without knowing how fast its going. I sure Hope that Helps You Out, And Thanks, Bear001
SOURCE: Transmission won't shift properly (2 wd ) speedo does not work
REF. 1996 F250 E4OD
I have had a trany shop recommend you change the speedometer transducer that is in the instrument cluster. according to them a dealer has to do the work and it cost around $300-$400.
I have an intermittent problem with shifting out of OD and acting as if it is slipping and very harsh shifts with OD light blinking. Sometimes the problem corrects it self sometimes you have to turn the truck off and restart
SOURCE: 1995 Chevy Blazer
Solenoids usually set a code that can be checked with a code reader.
Make sure that the oil in your transmission is full and clean...solenoids can get gummed up by varnish if trans is not serviced properly.
SOURCE: Transmission shifting proublem M5R1 1997 FORD RANGER
You might have to try to adjust the freedom of clutch pedal,
The noise during shifting can be adressed to exessive wear clutch parts or again it might be a sign that indicates the not complete enabling the calutch
To find out what is causing the noise, set the parking brake, place the vehicle in neutral and start the engine.
If you hear growling or grinding noises when the clutch is engaged, the cause is the transmission input shaft bearing.
A squealing sound that occurs when the clutch pedal is depressed and held is usually caused by a bad pilot bearing or bushing.
A chirping noise that intensifies when the pedal is slowly depressed would indicate a bad release bearing.
If you hear chirping while idling in neutral and the noise goes away when the pedal is slowly depressed, the fork/pivot ball contact point is making the noise
Hope that helps.
The clutch adjustment procedure you can find at
http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c1528018f021
More about clutches
http://www.aa1car.com/library/2002/ic100237.htm
Good Luck
SOURCE: ABS Light and Parking brake light on
sounds like your vehicle speed sensor is going out. it's the modern equivilent of a speedometer cable. it tells the computer how fast your going which the computer uses to determine shift points, abs function, and speedometer readings. they usually act up a bit before they go out. it confuses the computer. normally located in the extension housing at the rear of the transmission where the spedometer cable would be on an older vehicle
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