Transmission & AWD
01
Transfer case whine and viscous coupling wear
The rising drone between 40 and 60 mph on AWD cars, a bench test for the viscous unit, and the fluid that is routinely got wrong.
X400 · 2001—2010 · Saloon & Estate
The complete X‑Type
service and reference archive
Torque figures, fault codes, part numbers and inspection notes for every engine and drivetrain variant. Written to workshop standard, checked against factory documentation.
- Articles
- 87
- Part numbers
- 35
- Last revision
- 6 Sep 2026
Browse by section
Eight collections
01
Maintenance & servicing
Intervals, fluids and consumables by variant.
23 entries
02Faults & diagnostics
Symptom-led routes into fault codes and live data.
20 entries
03Parts catalogue
Finis codes, supersessions and aftermarket equivalents.
1 entries
04Wiring & technical
Harness diagrams, pin-outs and connector locations.
14 entries
05Buying & inspection
Pre-purchase checks ordered by cost of failure.
1 entries
06Model history
Trims, engines and build changes across 2001–2010.
1 entries
07Owner write-ups
Documented repairs from the ownership community.
1 entries
08Manual excerpts
Factory procedures, indexed and searchable.
26 entries
Most consulted this month
Ranked by unique readers. Revisions are logged against each entry.
Engine
02
P0171 and P0174: intake gasket and MAF drift
The two failure modes that account for most lean banks on the V6. Smoke test, gasket numbers, idle MAF window.
Electrical
03
Plenum drains, a wet footwell and a dead BCM
Blocked scuttle drains flood the passenger carpet and take the body control module with them.
Suspension & Brakes
04
Rear subframe corrosion: 340-car survey
Where it starts, how far it usually goes, and the points a tester reaches for first.
Engine
05
Lubricants, Fluids And Capacities
5W/30 to Jaguar WSS-M2C913, orange Motorcraft coolant, Super DOT 4, Dexron III, petrol oil 6.0 L, coolant 10.0 L, tank 61.5 L.
Quick reference
Service intervals
| Engine oil and filter | 10,000 mi / 12 mo |
| Timing belt, diesel | 100,000 mi / 10 yr |
| Coolant renewal | 10 yr |
| Transfer case fluid | 60,000 mi |
| Brake fluid | 2 yr |
Torque figures
| Wheel nuts | 103 Nm |
| Front hub nut | 295 Nm |
| Lower arm to subframe | 175 Nm |
| Sump drain plug | 25 Nm |
| Spark plugs, V6 | 15 Nm |
Part number lookup
Enter a Jaguar or Ford finis code to see supersessions, aftermarket equivalents and fitment by build date.
35 records
Corrections and contributions
Every entry carries a revision history. If a figure disagrees with your factory manual, send the page reference and we will check it.