IsItAGoodCar
Reliability Guide

Common Problems with the
2002 Jaguar S-Type

Major mid-life engineering overhaul transforms the S-Type with a modernized cabin, ZF 6-speed automatic, 4.2-litre V8, and the 400 bhp supercharged S-Type R.

What changed for 2002

  • •Introduction of the class-leading ZF 6HP26 6-speed automatic transmission across V6 and V8 petrol models
  • •Bored-out 4.2-litre AJ34 V8 replacing older 4.0-litre unit, alongside the 400 bhp supercharged S-Type R flagship
  • •Comprehensive interior redesign featuring an elegant upright wood dashboard replacing the Ford Taurus-style console
  • •Electronic parking brake (EPB) and revised aluminium front suspension geometry with upgraded steering rack

Common MOT watch-outs

  • !Electronic parking brake actuator binding or failing to disengage, causing rear brake overheating
  • !Perished front lower wishbone rear hydrobushes leaking damping fluid and causing steering alignment pull
  • !Corrosion of structural outer and inner sills beneath full-length plastic protective sill covers
  • !Play in rear suspension toe-link ball joints and anti-roll bar drop links
4
Known Issues
1
Serious
2
Moderate
1
Minor

All Known Issues

Sill & Rear Subframe Mounting Corrosion Concealed Behind Plastic Covers

SeriousBodywork & Rust

Road dirt and wet road salt accumulate behind the full-length plastic sill threshold covers and around the rear subframe front mounting heel boards, corroding structural steel out of plain sight.

Est. Repair Cost: £400–£1,200
Warning Signs:

Crumbly rust flaking from rear sill jacking points, MOT failure advisory for corrosion within 30cm of suspension mountings, Soft or spongy metal beneath underseal around rear wheel arches

What to Inspect:
  • Probe the underside of the outer sills and jacking points with a firm flashlight and pry tool
  • Look for previous weld repairs or MOT structural corrosion advisories
Verified by IsItAGoodCar Research TeamUpdated

ZF 6HP26 Automatic Gearbox "The Lurch" & Mechatronic Sleeve Leak

ModerateGearbox & Transmission

The 6-speed ZF automatic gearbox suffers from fluid leakage around the plastic mechatronic electrical sleeve and worn valve body damper rubbers, causing harsh downshifts from 2nd to 1st gear when coming to a halt.

Est. Repair Cost: £250–£800
Warning Signs:

Harsh thump or "lurch" when coming to a complete stop, Delayed engagement of Reverse gear from Park, Transmission fluid weeping around gearbox electrical connector

What to Inspect:
  • Drive the car until fully warmed up and perform multiple low-speed stops
  • Check if the Mechatronic sealing sleeve, bridge seal, and pan filter have been replaced with fresh ZF Lifeguard 6 fluid
Verified by IsItAGoodCar Research TeamUpdated

Front Lower Wishbone Rear Hydrobush Fluid Leak & Ball Joint Play

ModerateSuspension & Chassis

The large fluid-filled hydraulic compliance bushes on the curved front lower control arms rupture and weep black fluid, leading to steering shimmy under braking and MOT failure.

Est. Repair Cost: £280–£650
Warning Signs:

Steering wheel judder or vibration under moderate braking from 60mph, Dull knocking sound from front wheels over sharp road joints, Uneven front tyre shoulder wear

What to Inspect:
  • Inspect front lower curved wishbone rear bushes for oily black silicone staining
  • Pry lower ball joints to test for vertical play
Verified by IsItAGoodCar Research TeamUpdated

Dual Climate Control Valve (DCCV) Solenoid Short & Module Burnout

MinorInterior & Trim

The dual solenoid heater water valve mounted in the engine bay leaks coolant internally into its electrical coils, shorting out and blowing the heater control circuit traces inside the cabin climate control module (RCCM).

Est. Repair Cost: £150–£350
Warning Signs:

Heater blows blistering hot air from vents even when AC is set to lowest temperature, Driver side blows cold while passenger side blows hot, Air conditioning compressor clicks off immediately

What to Inspect:
  • Cycle both sides of dual-zone climate control through maximum cold (Lo) and maximum hot (Hi)
  • Verify cold refrigerated airflow from all dashboard vents
Verified by IsItAGoodCar Research TeamUpdated

Buying Tips for 2002 Jaguar S-Type

  • Verify the ZF 6-speed automatic engages reverse and drive immediately without the notorious ZF lurch downshift thump
  • Test dual-zone climate control operation; failing Dual Climate Control Valves (DCCV) blow boiling air through side vents
  • Inspect the spare wheel well and boot floor for water ingress through deteriorated rear lamp cluster seals
  • Check electronic parking brake operation repeatedly; listen for screeching cables or calibration warning messages