skip to main content
  • social media link
  • social media link
Genuine Jaguar Parts logo

Case Studies

Jaguar XJ Range Case Studies

X300 XJ6

Problem

Vehicle had a large oil leak to rear. Inspection revealed diff pinion oil seal failure.

Solution

A replacement seal and flange was fitted and the diff pinion reload was re-set.

XJR 4.0

Problem

Vehicle presented with severe mis-fire.

Solution

Traced fault to Bank B top timing chain tensioner failure which caused valve timing to be out of synch.

Stripped down engine and replaced all timing chain tensioners, guides and chains.

X350

Problem

Air suspension fault logged on message centre.

Solution

Carried out fault code read with diagnostic tools and traced fault to near side rear air suspension strut.

Strut replaced, re-set air suspension and cleared fault codes.

XJ8

Problem

Vehicle presented with ineffective heating system despite engine running at correct temperature.

Solution

Checked operation of auxiliary heater pump and traced fault to seized motor.

Drained coolant system and replaced heater pump.

XJ40

Problem

Excessive brake judder.

Solution

Brake discs were checked for excessive disc run out.

Discs were found to be warped.

New brake discs & pads were fitted.

©2014–2017 Jagtech Limited. All rights reserved.