NHTSA Complaint #890519 — 1998 GMC SONOMA

POWER TRAIN:AUTOMATIC TRANSMISSION issue reported to NHTSA

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Vehicle Towed

Complaint Details

ODI Number 890519
Vehicle 1998 GMC SONOMA
Component POWER TRAIN:AUTOMATIC TRANSMISSION
Date of Incident
Date Filed
Mileage N/A miles
Crash No
Fire No
Injuries 0
Deaths 0
Vehicle Towed Yes
State MN

Consumer Description

TRANSMISSION IS SLIPPING OUT OF GEAR AND DROPS INTO NEUTRAL FOR 1-2 SECONDS, AND THEN GOES BACK INTO GEAR, CAUSING A REVVING IN ENGINE. CONSUMER CONTACTED DEALER IN JULY 2000, BUT COULD NOT DETERMINE CAUSE. CURRENTLY, CONSUMER IS HAVING PROBLEMS WITH TRANSMISSION STICKING IN GEAR. SAME DEALER CLAIMS TRANSMISSION NEEDS TO BE REPLACED. *AK CONSUMER STATES STUCK GEAR RESULTED IN AN ENGINE BRAKE CONDITION IN A REDUCED SPEED ZONE WHERE VEHICLE SPEED IS SUDDENLY REDUCED WITH NO BRAKE LIGHTS ON, CONSUMER FOUND TSB 99-07-30-005 REGARDING THIS PROBLEM AND STATED THE RECOMMENDATION WAS TO REPLACE THE VALVE BODY ASSEMBLY, HOWEVER THIS WAS NOT BEEN DONE UNTIL THE VALVE BODY ASSEMBLY FAILED WHICH CAUSED 3RD GEAR TO LOCK ON THE HIGHWAY, CONSUME RWANTS GM TO TAKE RESPONSIBILITY FOR THIS PROBLEM. *SLC

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