XJ6 (Series I-III)

1968-1992 / Sedan / United Kingdom

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

Common Bodywork and Rust

Boot floor and spare wheel well corrosion

Symptoms

The boot floor rusts through, the spare wheel well fills with water, and the rot spreads to surrounding panels.

Cause

Boot lid seal failure, blocked drain holes, condensation, and (on some cars) battery acid leakage from the boot-mounted battery.

Fix

Replace the boot floor section.

Check and replace the boot seal.

Clear all drains.

Relocate the battery if acid damage is an issue (some owners move it to the engine bay).

Budget $1,500-3,000 AUD.

Cost mentioned in fix

Budget $1,500-3,000

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// More XJ6 (Series I-III) problems

Other known issues

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

Front wing corrosion

Bubbling around headlights, indicator mounts, and the bottom edges of the front wings.

Common Engine

XK engine oil leaks

Oil weeps from cam covers, timing chain cover, sump gasket, and rear main seal. The engine bay is perpetually oily. Oil drips on the exhaust and creates smoke.

Common Engine

Cooling system inadequacy

Engine runs hot, particularly in traffic or on warm days. Temperature gauge climbs, coolant may boil over, heater blows hot when it shouldn't.

View all 28 XJ6 (Series I-III) problems