Service brakes, hydraulic: power assist: vacuum (Oldsmobile and Buick)
Vehicle recall 99V-238. NHTSA received GENERAL MOTORS CORP.’s report on Aug 27, 1999.
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The short answer
NHTSA received GENERAL MOTORS CORP.’s report on Aug 27, 1999. Copied from NHTSA on Oct 23, 2026.
Every line below is in NHTSA’s own words, with its source beside it.
What’s wrong with it?
IF THESE NUTS ARE LOOSE, THE BRAKE PEDAL MAY BE LOW, THE ASSEMBLY MAY BE LOOSE, THE BRAKES MAY NOT RELEASE, AND IF THE NUTS BACK COMPLETELY OFF, BRAKING MAY BE LOST. ALSO FUME AND WATER INTRUSION TO THE PASSENGER COMPARTMENT CAN OCCUR.
VEHICLE DESCRIPTION: PASSENGER VEHICLES.
THE BRAKE BOOSTER TO PEDAL ASSEMBLY ATTACHMENT NUTS MAY BE LOOSE.
NHTSA, Recalls flat file before 2010. Released Oct 23, 2026. Updated daily.
- NHTSA’s part: Service brakes, hydraulic: power assist: vacuum.
What should you do?
DEALERS WILL REPLACE ANY MISSING BRAKE BOOSTER TO BRAKE PEDAL ASSEMBLY NUTS AND TIGHTEN ALL FOUR (4) NUTS TO SPECIFIED TORQUE.
NHTSA, Recalls flat file before 2010. Released Oct 23, 2026. Updated daily.
- How to reach the firm: GM RECALL NO. 99038.OWNER NOTIFICATION BEGAN OCTOBER 8, 1999.OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT BUICK AT 1-800-521-7300, OR OLDSMOBILE AT 1-800-442-6537. ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION’S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).
- Check a vehicle by its VIN at NHTSA: the recalls still open on it are listed there.
Which ones are recalled?
NHTSA counts 988 vehicles potentially involved, across everything this recall names.
NHTSA, Recalls flat file before 2010. Released Oct 23, 2026. Updated daily.
- Oldsmobile Auroraand 1999, before the model years listed here
- Buick Park Avenueand 1999, before the model years listed here
- Buick Lesabreand 2000, before the model years listed here
Who is recalling it?
- Made by GENERAL MOTORS CORP..
NHTSA, Recalls flat file before 2010. Released Oct 23, 2026. Updated daily.
What the record doesn’t say
- NHTSA’s recall file doesn’t say whether anyone was hurt.
- Whether one vehicle or seat has been fixed: only its maker, or NHTSA’s lookup with a VIN, can say.
- This recall names only model years before 2015, which have no pages here. Your VIN, at NHTSA, says which recalls are open on a vehicle.
- How many have been returned or fixed isn’t in the notice.
Hearth Record wrote these lines.
Sources
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National Highway Traffic Safety Administration, Recalls flat file before 2010 (FLAT_RCL_PRE_2010).
Released Oct 23, 2026 and checked Oct 23, 2026. Updated daily. Public domain (U.S. Government work).
Vehicle, car seat, tire and vehicle equipment recalls, owner complaints and crash ratings are from the National Highway Traffic Safety Administration (NHTSA). Copied on Oct 23, 2026.