1991 Mercury Sable Engine And Engine Cooling:engine Problems

NHTSA component category: ENGINE AND ENGINE COOLING:ENGINE · data through 07/14/2026

45Engine And Engine Cooling:engine complaints

20.4%Of all 221 complaints

#2Most-reported category

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

How engine and engine cooling:engine ranks on this vehicle

POWER TRAIN:AUTOMATIC TRANSMISSION82 · 37.1%

ENGINE AND ENGINE COOLING:ENGINE45 · 20.4%

STRUCTURE:FRAME AND MEMBERS16 · 7.2%

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:ROTOR9 · 4.1%

POWER TRAIN:MANUAL TRANSMISSION8 · 3.6%

Share of the 221 complaints citing each category; one complaint can cite several. Full breakdown on the 1991 Mercury Sable overview page.

What owners report

“THREE OF THE FOUR MOTOR MOUNTS WERE FOUND TO HAVE BROKEN/CRACKED.”NHTSA complaint 707815 — filed 06/23/1999

“WHEN DRIVING AT ANY SPEED THERE IS A KNOCKING SOUND COMING FROM UNDER THE VEHICLE. CONSUMER TOOK VEHICLE INTO DEALER FOR REPAIR SERVICE, AND DEALER…”NHTSA complaint 838445 — filed 05/26/1999

“ENGINE MOUNTS BROKE, CAUSING THE ENGINE TO FALL OUT OF THE ENGINE WELL. DEALER WAS OF NO ASSISTANCE”NHTSA complaint 837840 — filed 05/12/1999

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

Engine And Engine Cooling:engine complaints by year filed

Frequently asked questions

Does the 1991 Mercury Sable have engine and engine cooling:engine problems?

Engine And Engine Cooling:engine is the #2 most-reported problem area on the 1991 Mercury Sable: 45 of 221 complaints on file (20.4%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 1991 Mercury Sable have in total?

221 complaints were on file with NHTSA as of 07/14/2026. Across all categories, 11 involved a crash, 9 involved a fire, 8 reported injuries, and none reported deaths.

What does NHTSA's engine and engine cooling:engine category include?

NHTSA assigns each complaint to standard component categories; this page reports the ENGINE AND ENGINE COOLING:ENGINE 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.