Does the front of your car rattle and clunk when you drive over a rough section of road? Or, do your tires wear out along one edge? It’s time to take a look at your front end. There are two common culprits when these things happen. The first culprit is the upper shock bushings. These […]
Category: XJ6
How to replace the voltage regulator in the 1979-1987 XJ6
When this part goes bad, you’ll typically get a “flare” in your alternator’s current output, causing all of your lights to brighten up considerably. While it’s nice to have really bright lights, it’s bad for your electrical system and overcharges your battery. The voltage regulator is a small electrical device screwed just under the black […]
Transmission Service, BW65/66
The Borg-Warner model 65/66 transmission was fitted to the 1980-1987 XJ6. In the U.S, this transmission has developed a reputation for unreliability and short life. Interestingly, in the U.K. this transmission has developed a reputation for dependability and long life. In the U.K., car owners are trained (practically from birth) to regularly service their cars, […]
How to Fix Inoperative Cruise Control on Series III XJ6 Jaguars
When troubleshooting an inoperative cruise control system in your Series III XJ6 Jaguar, there are a few common problem areas to inspect. Fortunately, these are typically easy and inexpensive to repair. If your cruise control isn’t working, here’s a checklist of items to investigate: 1. Rubber Bellows of the Vacuum Unit: Check if the rubber […]
Preventing an early death on the 1990-94 XJ6 Jaguar hydraulic pump
The hydraulic system pump responsible for operating the rear brakes is powered by an expensive electric motor. This motor is prone to burnout if it runs continuously. A faulty accumulator ball, located under the hood (bonnet) on the left side near the windshield, can cause the motor to run excessively. The pump should operate for […]
Stakedown Kit Instructions for 1980-1987 XJ6 Jaguars
As an experienced Jaguar mechanic, I’m happy to share some knowledge about a common issue with the 1980-1987 XJ6 models: the tappet guides often come loose, making stakedown kits a popular and necessary upgrade. One of my customers recently reached out with questions about installing a stakedown kit, and he suggested I share my response […]
Bulb Failure Modules on the 1988-1994 XJ6
Bulb Failure Modules (BFMs) have a reputation of failure on XJ40s (XJ6), usually it’s one of a few simple things. 1: Make sure that every bulb works! The failure module is designed to alert you that a bulb is out, so check this first (easy stuff first). 2: Clean the bulb contacts in the sockets. […]
Heater Core Replacement on a Series III XJ6
Replacing the heater core on a Series III XJ6 can be a challenging task, often described as a real pain for Jaguar enthusiasts. The factory’s recommended procedure is notoriously time-consuming and complicated: 1. Remove the entire interior of the car. 2. Disassemble the dash and discharge the A/C system. 3. Remove the entire heater and […]
