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MOTRS

XJ6 (Series I-III)

1968-1992 / Sedan / United Kingdom

All XJ6 (Series I-III) problems All workshop issues
Common Transmission

Power steering system leaks

Symptoms

Power steering fluid on the garage floor, heavy steering, groaning from the pump.

Cause

Rack seals age and weep. Hose connections corrode. The pump wears internally. Power steering fluid degrades and loses its lubricating properties.

Fix

Replace leaking hoses first (cheap, easy).

If the rack is leaking, a reconditioned unit is the most cost-effective solution.

Replace the pump if it's noisy.

Budget $1,500-3,000 AUD for a comprehensive power steering overhaul.

Cost mentioned in fix
Budget $1,500-3,000

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// More XJ6 (Series I-III) problems

Other known issues

Common Transmission

Borg-Warner BW66 automatic (early cars)

Harsh shifts, slipping, delayed engagement. The gearbox overheats under sustained load.
Minor Transmission

GM TH400 automatic (later cars), reliable
Minor Bodywork and Rust

Sill corrosion (structural)

Outer sills bubble and perforate. Inner sills rot silently behind trim. The car's rigidity decreases, doors sag, gaps become uneven, and the body flexes over bumps.
Minor Bodywork and Rust

Floor pan corrosion

Floor pans rot from underneath or from above (water sitting under carpets). In severe cases, you can see the road through the floor.
Common Bodywork and Rust

Rear wheel arch and lower rear quarter corrosion

Rust appears at the bottom of the rear wings, around the wheel arches, and in the lower panels between the wheels and boot.
Common Bodywork and Rust

Boot floor and spare wheel well corrosion

The boot floor rusts through, the spare wheel well fills with water, and the rot spreads to surrounding panels.
View all 28 XJ6 (Series I-III) problems