2004 Renault Laguna diesel: common problems and MOT failures

What goes wrong more than usual on a 2004 Renault Laguna diesel?

Parts flagged at MOT more often on the 2004 Renault Laguna diesel than on all cars registered in 2004.

• Brake discs2.2× usual
  Renault Laguna

  28.4% All 2004 cars

  13.2%

  Failed outright at MOT: 2.4%, against 1% of all 2004 cars. The rest were advisories or minor defects.

  Rough price £150–£350 our estimate

  At the viewing: Look through the wheel at the brake disc: a deep lip at the edge or heavy scoring means they're worn. Feel for judder when braking.

• Steering rack inner joints3.2× usual
  Renault Laguna

  11.8% All 2004 cars

  3.7%

  Failed outright at MOT: 0%, against 0% of all 2004 cars. The rest were advisories or minor defects.

  Rough price £100–£450 our estimate

  At the viewing: On a straight road the steering wheel should sit straight. Listen for knocks when turning, and check the steering feels even.

• Steering swivel joints9× usual
  Renault Laguna

  8.1% All 2004 cars

  0.9%

  Failed outright at MOT: 2.4%, against 0.1% of all 2004 cars. The rest were advisories or minor defects.

  Rough price £100–£450 our estimate

  At the viewing: On a straight road the steering wheel should sit straight. Listen for knocks when turning, and check the steering feels even.

• Anti-lock braking system5.1× usual
  Renault Laguna

  6.6% All 2004 cars

  1.3%

  Failed outright at MOT: 6.6%, against 1.3% of all 2004 cars. The rest were advisories or minor defects.

  Rough price £100–£350 our estimate

  At the viewing: On a quiet road, brake firmly from about 30mph. The car should stop straight without pulling.

Common 2004 Renault Laguna diesel MOT failures and advisories

The share of 2004 Renault Laguna diesel MOT tests where testers flagged each area, as a fail or an advisory. Rough prices are typical independent-garage costs.

• Suspension
  56% of testsRough price £120–£400

  At the viewing: Listen for knocks over speed bumps, and look behind each front wheel for a snapped coil spring.

• Brakes
  48% of testsRough price £150–£350

  At the viewing: Look for a lip on the disc edges and feel for judder or pulling when braking firmly from about 40mph.

• Lights and electrics
  41% of testsRough price £10–£80

  At the viewing: Ask a friend to check every light, including brake lights and indicators, while you operate them.

• Tyres
  34% of testsRough price £70–£150

  At the viewing: Check the tread on all four tyres, including the inside edges, and look for cracks or bulges.

• Oil and fluid leaks
  24% of testsRough price £80–£600

  At the viewing: Look under the engine and on the ground where the car is usually parked for fresh oil or fluid.

• Steering
  15% of testsRough price £100–£450

  At the viewing: On a straight road the steering wheel should sit straight. Feel for play or knocking when turning.

Questions to ask the seller before buying a 2004 Renault Laguna diesel

Ask before you travel to see it. A seller who knows the car will have answers, and receipts.

1. Any recent work on the brake discs? (Flagged at MOT 2.2× as often on the 2004 Renault Laguna diesel as on other cars the same age.)
2. Any recent work on the steering rack inner joints? (Flagged at MOT 3.2× as often on the 2004 Renault Laguna diesel as on other cars the same age.)
3. Any recent work on the steering swivel joints? (Flagged at MOT 9× as often on the 2004 Renault Laguna diesel as on other cars the same age.)
4. Can I see the service history and receipts for any big jobs?