1990 Jaguar XJ6 BaseFACTORY OEM SERVICE PROCEDURE

Quick Lookups: Fluids

FLUID CAPACITIES
Fluid Type Application Standard Metric Fluid Spec Note S/H
Air Cond Refrigerant 2.50 LBS. 1.13 KG R-12 S
Automatic Transmission Fluid 4.0L Eng 4.50 QTS. 4.25 L Automatic Transmission Fluid DEXRON IID or MERCON S
Brake Fluid N/A N/A JAGUAR ITT Super DOT 4 Brake Fluid Fill to "max" line on the reservoir. S
Differential Gear Oil 4.0L Eng 2.20 QTS. 2.08 L Powr-Lok, API - GL-5, SAE 90W S
Engine Coolant 4.0L Eng 9.70 QTS. 9.17 L JAGUAR Antifreeze and Summer Coolant If not available, use phosphate-free antifreeze conforming to Specification: BS6580. (Plain water must not be used). S
Engine Coolant 4.0L Eng With Rear Heater 9.70 QTS. 9.17 L JAGUAR Antifreeze and Summer Coolant If not available, use phosphate-free antifreeze conforming to Specification: BS6580. (Plain water must not be used). S
Engine Oil 4.0L Eng 8.50 QTS. 8.04 L API - SAE 5W-20/30/40 (Below 14Deg.F), 10W-30/40/50 (-4Deg.F to 110Deg.F), 15W-40/50, 20W-40/50 (14Deg.F and Above) S
Engine Oil 4.0L Eng w/o Filter 7.90 QTS. 7.47 L API - SAE 5W-20/30/40 (Below 14Deg.F), 10W-30/40/50 (-4Deg.F to 110Deg.F), 15W-40/50, 20W-40/50 (14Deg.F and Above) S
Fuel Tank 4.0L Eng 22.80 GALS. 86.3 L S
Windshield Washer Fluid 4.0L Eng 3.70 QTS. 3.5 L S
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.