Hearth Record

Service brakes, hydraulic: antilock/traction control/electronic limited slip (Chevrolet and GMC)

Vehicle recall 99V-220. NHTSA received GENERAL MOTORS CORP.’s report on Aug 11, 1999.

NHTSA’s own record, on nhtsa.gov

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The short answer

NHTSA received GENERAL MOTORS CORP.’s report on Aug 11, 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 THIS OCCURRED, THE SEATING SEAL COULD BE BROKEN DURING VEHICLE ASSEMBLY, OR FROM EARLY ROAD INPUTS OR BRAKE FLUID CYCLING, AND A LEAK COULD OCCUR INCREASING THE BRAKE STOPPING DISTANCE.

VEHICLE DESCRIPTION: S -TRUCKS EQUIPPED WITH 2 WHEEL DRIVE.

THESE VEHICLES MAY HAVE HAD THE RIGHT-HAND ANTILOCK BRAKE SYSTEM (ABS) MODULE FEED PIPE AND/OR BRAKE CROSSOVER PIPE TUBE NUTS TIGHTENED WITHOUT SEATING THE PIPE-FLARED-ENDS ENOUGH TO WITHSTAND NORMAL ASSEMBLY AND VEHICLE INPUTS WITHOUT PARTIALLY UNSEATING.

THIS DOES NOT COMPLY WITH REQUIREMENTS OF FMVSS NO. 105, “HYDRAULIC SERVICE BRAKE NORMAL, EMERGENCY, AND PARK BRAKING PERFORMANCE.”

Source:

NHTSA, Recalls flat file before 2010. Released Oct 23, 2026. Updated daily.

  • NHTSA’s part: Service brakes, hydraulic: antilock/traction control/electronic limited slip.

What should you do?

DEALERS WILL INSPECT THE BRAKE PIPE UNION FOR SIGNS OF BRAKE FLUID, AND IF NECESSARY, INSTALL A NEW BRAKE PIPE UNION.

Source:

NHTSA, Recalls flat file before 2010. Released Oct 23, 2026. Updated daily.

  • How to reach the firm: OWNER NOTIFICATION BEGAN AUGUST 20, 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 CHEVROLET AT 1-800-222-1020 OR GMC AT 1-800-462-8782.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 3,947 vehicles potentially involved, across everything this recall names.

Source:

NHTSA, Recalls flat file before 2010. Released Oct 23, 2026. Updated daily.

  • Chevrolet S10and 2000, before the model years listed here
  • GMC Jimmyand 2000, before the model years listed here
  • GMC Sonomaand 2000, before the model years listed here
  • Chevrolet Blazerand 2000, before the model years listed here

Who is recalling it?

  • Made by GENERAL MOTORS CORP..
Source:

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.
Source:

Hearth Record wrote these lines.

Sources

Source:

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.

How to read a record

Four things every record does, shown on an example record made up for this guide.

An example record, made up for this guide

An example nursing home

Made up for this guide: no real place is shown

Not fully inspected in over two years (CMS flag)

11 health citations at the latest inspection cycle

The state average is 14.3.

Source:

CMS, State and US Averages and Health Deficiencies. Released Oct 28, 2026. Updated monthly.

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Every fact names its source.

Who published it, when, and how often it changes sit beside each fact, with a link to the agency’s own file.

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