Part Two: Understanding the Air Injection System on 1981-1987 XJ6 and V12 XJS Jaguars In Part One, we discussed the emissions check valve and its role in the air injection system. Now, let’s take a step back and explore how the entire air injection system works on the 1981-1987 XJ6 Jaguars and V12 XJS models. […]
Category: XJS
Part One: Understanding and Replacing the Emissions Check Valve
Part One: Understanding and Replacing the Emissions Check Valve on 1981-1987 XJ6 and V12 XJS Jaguars The emissions check valve (part number EBC10196) is a critical component of the air injection system found on 1981-1987 XJ6 Jaguars and all V12 XJS models. This system includes the familiar air injection pipes that screw into the top […]
Fuel Hose on 1979-1987 XJ6 XJS
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 […]
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 […]
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. […]
Diagnosing Front End Noises on Jaguar XJ6 and XJS
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 […]
Preventing an early death of the pre-1988 XJS Wiper Motor
DIY Preventive Maintenance for Jaguar XJS Wiper Motor (1988 and Earlier Models) If you own an early Jaguar XJS (1988 and earlier), your vehicle likely uses the Lucas wiper motor system. In the middle of 1988, Jaguar switched to the Electrolux wiper system. To determine which system you have, observe the wiper parking position: if […]
How to fix leaking steering rack seals on Jaguars
Advanced DIY Project: Steering Rack Seal Replacement for Jaguar XJS The steering rack of your Jaguar XJS is prone to leakage at three main points (excluding the hoses). Understanding these leakage points and addressing them promptly is crucial for maintaining your vehicle’s steering performance. Leakage Points 1. Top of the Rack Tower: This is where […]
XJS Rear Window Leaks, leading to a trashed fuel tank
The rear window on the XJS coupe has a tendency to leak water imperceptibly. The rear glass seal is to blame. Underneath the fuel tank is a rubber foam mat. When the water leaks in, it drains down past the fuel tank and collects in the rubber mat, then starts to rust the bottom of […]
