1990 Pontiac Grand Prix Service Brakes, Hydraulic:foundation Components:disc:caliper Problems

NHTSA component category: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER · data through 07/14/2026

24Service Brakes, Hydraulic:foundation Components:disc:caliper complaints

13.6%Of all 176 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:CALIPER24 · 13.6%

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC23 · 13.1%

SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP18 · 10.2%

STRUCTURE14 · 8%

STRUCTURE:FRAME AND MEMBERS11 · 6.2%

Share of the 176 complaints citing each category; one complaint can cite several. Full breakdown on the 1990 Pontiac Grand Prix overview page.

What owners report

“REAR BRAKES FREEZE UP DUE TO CALIPERS AND PISTONS CORRODING. BRAKES FAIL TO FUNCTION. PLEASE DESCRIBE DETAILS. TT”NHTSA complaint 977090 — filed 12/28/1995

“ABS BRAKES: REAR BRAKES ARE RUSTING. HAD TO REPLACE CALIPER, BRAKE PADS, REAR ROTORS THREE TIMES. PLEASE DESCRIBE. TT”NHTSA complaint 975441 — filed 11/27/1995

“REAR CALIPER SLIDES/LOCKS UP CAUSING INCREASE BRAKING POWER; REPLACED 3 TIMES WITHIN 4 1/2 YEARS; ALSO, CAUSES EMERGENCY BRAKE FAILURE. TT”NHTSA complaint 972830 — filed 10/03/1995

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 1990 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 1990 Pontiac Grand Prix: 24 of 176 complaints on file (13.6%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 1990 Pontiac Grand Prix have in total?

176 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 12 involved a crash, 1 involved a fire, 11 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 07/14/2026.