Ok, straight from the shop floor: This week’s tech bit is about the fuel supply hose line on a 1979-1987 XJ6 XJS. This fuel hose may touch the battery on its way to the fuel rail. We just had a car in the shop with a fuel supply hose that had been partially eaten away […]
Category: XJ6
“Whooshing” Fuel Tanks in Series III XJ6 Jaguars
To fix the issue with the fuel vapor recovery system in your Series III XJ6 Jaguar, you need to address a common problem that can lead to a vacuum buildup in the fuel tank. Here’s a step-by-step explanation of the issue and how to resolve it: Understanding the Problem The Series III XJ6 Jaguar is […]
Enabling the fog light position on the XJ6 headlamp switch
U.S. Series III owners (1979-1987 XJ6). No doubt by now you’ve noticed that the fourth position on the headlight switch, marked “FOG” is unavailable, until now. The FOG position is a snap to enable. Just remove the bezel. If you look carefully you will see a small C clip at the base of the shaft. […]
Rear Hub Cracks
The pre-1988 XJ6 and the XJS have a problem with the outer hubs on the IRS unit. The lower pivot point has a tendency to crack (definition:The rear hub is the big aluminum unit that the rear wheel bolts up to). Check these periodically, cleaning them up if necessary in order to see clearly. A […]
Jaguar XJ8, XK8, XJ6 interior rear view mirror removal and installation
Be extraordinarily careful when replacing the rearview mirror on the XJ8, XK8, and XJ6 as the windshield can crack very easily. I did it (see below) but would recommend taking it to a windshield installer and have the old mirror removed and new one installed. The procedure is gut-wrenching and nerve-racking. Here goes: Remove the […]
Manual Sunroof Operation on Series III XJ6 Jaguars
As a Jaguar parts expert, I can confirm that the sunroof on your Series III XJ6 is designed to be manually operated in the event of a motor failure. Jaguar provides a special handle for this purpose, which allows you to open and close the sunroof manually. This handle connects directly to the sunroof motor […]
Self-leveling rear suspension, as used on the 1988-1994 XJ6
These part-hydraulic/part-pneumatic systems are prone to failure. The typical failure mode is where the rear end of the car “hunts” for the correct ride height, but doesn’t find it, and the rear of the car ends up bouncing up and down continually. Rolls Royce used this system back in the ’70s, and it didn’t work […]
1988-1994 XJ6 ABS Brake Accumulator Problems
If you’re experiencing a hard brake pedal in your Jaguar XJS, it might be a straightforward fix. Here’s a simple guide to diagnosing and resolving the issue. Step 1: Add Mineral Oil 1. Add Mineral Oil: Begin by adding mineral oil in your brake system to the reservoir until it reaches the recommended level. For […]
1988-1992 XJ6 Air Conditioning and Heater Control Panel
If you’re a Jaguar owner dealing with issues in your 1988-1992 Jaguar XJ6’s Air Conditioning control panel, you’re not alone. The air conditioning control panel, located in the center of your dash, is a notorious weak point for these models. If your panel doesn’t light up when you turn on the air conditioning or heater, […]
Polyurethane Steering Rack Bushing Upgrade on 1976-1996 XJS and 1969-1987 XJ6 Jaguars
The XJS and the pre-88 XJ6 have a problem with rack bushing degradation. These bushings hold the steering rack in place and absorb some of the road vibration. Unfortunately, they tend to decay and fall apart given their usually hot and oily environment. The permanent solution is a set of Polyurethane or Neoprene rack bushings. […]
