2000 Mitsubishi Diamante

The 2000 Mitsubishi Diamante

The 2000 Mitsubishi Diamante is a mid-size sedan that was available with two engine options: a 3.0L V6 producing 200 horsepower and 205 lb-ft of torque, and a 3.5L V6 producing 210 horsepower and 239 lb-ft of torque. Both engines were paired with a 4-speed automatic transmission. The Diamante was praised for its comfortable ride, spacious interior, and powerful engines, but it was also criticized for its lack of handling and dated exterior styling.

Engine

3.0L V6

• Intake Manifold Gasket Failure
  • Description/Symptoms: Coolant or oil leak from the intake manifold, engine overheating, rough idle.
  • Solution: Replace intake manifold gasket.
  • Estimated Cost to Fix: $300 - $600+
  • Recalls: #01V004000
• Timing Belt Tensioner Failure
  • Description/Symptoms: Squealing or rattling noise from the engine, loss of power, engine stalling.
  • Solution: Replace timing belt tensioner.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found

3.5L V6

• Valve Cover Gasket Leak
  • Description/Symptoms: Oil leak from the valve covers, burning oil smell.
  • Solution: Replace valve cover gaskets.
  • Estimated Cost to Fix: $200 - $350+
  • Recalls: #04V347000

Transmission

4-Speed Automatic

• Transmission Slipping
  • Description/Symptoms: Transmission slipping gears, difficulty shifting.
  • Solution: Rebuild or replace transmission.
  • Estimated Cost to Fix: $1,500 - $3,000+
  • Recalls: None Found

Suspension

• Front Strut Mount Failure
  • Description/Symptoms: Clunking noise from the suspension, reduced ride comfort.
  • Solution: Replace strut mounts.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found
• Rear Sway Bar Link Failure
  • Description/Symptoms: Rattling noise from the rear of the vehicle, reduced handling.
  • Solution: Replace sway bar links.
  • Estimated Cost to Fix: $100 - $200+
  • Recalls: None Found

Electrical

• Alternator Failure
  • Description/Symptoms: Battery not charging, flickering lights, electrical system issues.
  • Solution: Replace alternator.
  • Estimated Cost to Fix: $300 - $500+
  • Recalls: None Found
• Starter Motor Failure
  • Description/Symptoms: Engine cranks but doesn’t start, difficulty starting.
  • Solution: Replace starter motor.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: #03V022000

Exterior

• Headlight Switch Failure
  • Description/Symptoms: Headlights inoperable, malfunctioning headlight controls.
  • Solution: Replace headlight switch.
  • Estimated Cost to Fix: $100 - $200+
  • Recalls: None Found
• Door Handle Failure
  • Description/Symptoms: Exterior door handles break or stick, difficulty opening doors.
  • Solution: Replace door handles.
  • Estimated Cost to Fix: $50 - $100+
  • Recalls: None Found

Interior

• Power Window Motor Failure
  • Description/Symptoms: Power windows inoperable, humming or clicking noise.
  • Solution: Replace power window motor.
  • Estimated Cost to Fix: $150 - $300+
  • Recalls: None Found
• Dashboard Gauge Cluster Failure
  • Description/Symptoms: Dashboard gauges inoperable, incorrect readings.
  • Solution: Replace gauge cluster.
  • Estimated Cost to Fix: $200 - $400+
  • Recalls: None Found

Summary

The 2000 Mitsubishi Diamante is a generally reliable vehicle with a few common issues. The most serious issues include intake manifold gasket failure, timing belt tensioner failure, transmission slipping, and electrical system problems. These issues can be costly to fix, so it’s important to have the vehicle inspected by a qualified mechanic before purchasing. Overall, the Diamante is a comfortable and spacious sedan with a powerful engine, but it may not be the best choice for buyers who prioritize handling and fuel efficiency.