1991 Pontiac Grand Prix Service Brakes, Hydraulic:foundation Components:disc:caliper Problems

NHTSA component category: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER · data through 07/12/2026

22Service Brakes, Hydraulic:foundation Components:disc:caliper complaints

12.8%Of all 172 complaints

#1Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How service brakes, hydraulic:foundation components:disc:caliper ranks on this vehicle

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER22 · 12.8%

STRUCTURE16 · 9.3%

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC13 · 7.6%

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM13 · 7.6%

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP13 · 7.6%

Share of the 172 complaints citing each category; one complaint can cite several. Full breakdown on the 1991 Pontiac Grand Prix overview page.

What owners report

“BRAKE CALIPERS LOCK UP CAUSING EXCESSIVE WEAR TO COMPONENTS.”NHTSA complaint 538831 — filed 08/05/1998

“WHEN APPLYING THE BRAKES HEARD A LOUD SQUEAKING NOISE. DEALER SAYS THE CALIPERS LOCK UP. HAS NOT BEEN REPAIRED.”NHTSA complaint 823223 — filed 05/12/1998

“RIGHT REAR BRAKE CALIPERS, ROTORS, PADS AND BUSHINGS/SLIDERS HAVE FAILED TO FUNCTION PROPERLY.”NHTSA complaint 532844 — filed 03/16/1998

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Service Brakes, Hydraulic:foundation Components:disc:caliper complaints by year filed

Frequently asked questions

Does the 1991 Pontiac Grand Prix have service brakes, hydraulic:foundation components:disc:caliper problems?

Service Brakes, Hydraulic:foundation Components:disc:caliper is the most-reported problem area on the 1991 Pontiac Grand Prix: 22 of 172 complaints on file (12.8%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 1991 Pontiac Grand Prix have in total?

172 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 9 involved a crash, 4 involved a fire, 9 reported injuries, and none reported deaths.

What does NHTSA's service brakes, hydraulic:foundation components:disc:caliper category include?

NHTSA assigns each complaint to standard component categories; this page reports the SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER category exactly as NHTSA defines and records it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/12/2026.