1992 Pontiac LeMans

1992 Pontiac LeMans Overview

The 1992 Pontiac LeMans was a mid-size sedan offered with two engine options: a 3.1L V6 and a 3.8L V6. Both engines were paired with either a 4-speed automatic transmission or a 5-speed manual transmission.

Despite its popularity, the 1992 Pontiac LeMans has been plagued by a number of issues over the years. These issues range from minor annoyances to major mechanical failures, and they can significantly impact the safety and reliability of the vehicle.

Engine

• 3.1L V6
  • Intake Manifold Gasket Failure
    • Description/Symptoms: Engine overheating, coolant leaks, difficulty starting
    • Solution: Replace intake manifold gasket
    • Estimated Cost to Fix: $300 - $500
  • Valve Cover Gasket Leaks
    • Description/Symptoms: Oil leaks, rough idling, engine misfires
    • Solution: Replace valve cover gaskets
    • Estimated Cost to Fix: $150 - $250
• 3.8L V6
  • Head Gasket Failure
    • Description/Symptoms: Engine overheating, white smoke from exhaust, coolant leaks
    • Solution: Replace head gasket
    • Estimated Cost to Fix: $1,000 - $2,000
  • Timing Chain Failure
    • Description/Symptoms: Engine rattling, loss of power, engine misfires
    • Solution: Replace timing chain and gears
    • Estimated Cost to Fix: $600 - $1,200

Transmission

• 4-Speed Automatic Transmission
  • Internal Clutch Wear
    • Description/Symptoms: Slipping gears, slow shifting, shuddering
    • Solution: Rebuild or replace transmission
    • Estimated Cost to Fix: $1,500 - $2,500
• 5-Speed Manual Transmission
  • Synchronizer Failure
    • Description/Symptoms: Difficulty shifting gears, grinding noises
    • Solution: Replace synchronizers
    • Estimated Cost to Fix: $400 - $800

Suspension

• Front Ball Joint Failure
  • Description/Symptoms: Clunking noise, uneven tire wear, steering instability
  • Solution: Replace ball joints
  • Estimated Cost to Fix: $200 - $400
• Rear Axle Bearing Failure
  • Description/Symptoms: Humming noise, vibration
  • Solution: Replace axle bearings
  • Estimated Cost to Fix: $300 - $600

Electrical

• Alternator Failure
  • Description/Symptoms: Dimming lights, electrical system failure, battery not charging
  • Solution: Replace alternator
  • Estimated Cost to Fix: $400 - $600
• Starter Failure
  • Description/Symptoms: Engine not cranking, clicking noise
  • Solution: Replace starter
  • Estimated Cost to Fix: $300 - $500

Exterior

• Door Hinge Pin Wear
  • Description/Symptoms: Doors sagging, difficulty opening or closing doors
  • Solution: Replace door hinge pins
  • Estimated Cost to Fix: $200 - $400

Interior

• Power Window Failure
  • Description/Symptoms: Windows not rolling up or down
  • Solution: Replace power window motor or switch
  • Estimated Cost to Fix: $200 - $400
• Climate Control Failure
  • Description/Symptoms: AC or heater not working, temperature fluctuations
  • Solution: Replace climate control unit or sensors
  • Estimated Cost to Fix: $500 - $1,000

Summary

The 1992 Pontiac LeMans is a reliable vehicle overall, but it is not without its issues. The most common problems are related to the engine, transmission, and electrical system. While some issues are relatively minor and inexpensive to fix, others can be quite serious and costly. Buyers should be aware of these potential issues before purchasing a used LeMans.