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XJ-S Photographs

XJ-S Photographs

Experience in a Book: Help for the Jaguar XJ-S Owner ( contains many illustrations and graphics, but it contains no photographs.  The author, Kirby Palm, decided that it would not include any photos because they add too much to the file size and take too much effort to print; if a collection of photographs were ever put together, it would be a separate package.

Now Gunnar Helliesen, the proprietor of this fine site, has provided space for posting pictures on the jag-lovers server.  So, below are links to a hodgepodge of pictures that may or may not be helpful or illustrative to people interested in the Jaguar XJ-S.

Note:  For the most part, these pictures are not intended to be pretty or of general interest to people who don't own an XJ-S.  These pictures are mostly intended to illustrate things described in the book.

Also note that while many of these pix are right here, there are a few links to pictures on other sites as well.

There are two designs presented for tools to make getting the spark plugs in and out of an H.E. easier.  One involves the Jaguar swivel wrench from the toolkit that comes with the car, and the other utilizes a commonly available 5/8" spark plug socket.  Those of you with pre-H.E. engines have it easy, and don't need to bother reading these pages.

You also need to be sure to use anti-seize compound when installing the plugs.  You can see why here.

LucasMarelli.html attempts to show how to tell a Marelli ignition system from a Lucas ignition system.  You can also look at the Lucas CEI amplifier, which should make it even clearer.

MarelliJumper.html shows the jumper used to adjust the timing on the Marelli.

Distributor.html shows the innards of the Lucas distributors, both OPUS and CEI.

Here's a photo of Richard Dowling's modified Lucas OPUS distributor all torn apart.

DAC6093.jpg is a picture of the single ignition coil used to replace both coils on the early/mid 80's Lucas CEI ignition system.  Thanks to John Goodman for that pic.

As discussed at length in the book, the Marelli ignition system has a history of cap and rotor problems.  Marelli_pix.html shows some pictures of actual damaged parts.

IdleScrew.html shows the Auxiliary Air Valve as well as the idle adjustment screw.   AAVdifferences.html shows variations between different part number AAV's.  There is also a treatise on rebuilding the AAV, including procedures for using a thermal bulb from a generic thermostat.  Joe Bialy gave up on his AAV and found a way to fit a Bosch electrically-operated device from a Volvo in the same location, and posted pictures of the assembly.

The various components used in the 'A' and 'C' Emission Vacuum Advance Control Scheme are shown.

The Supplementary Air Valve, also known as the Solenoid Air Switch, is shown.

John Himes provided a set of pictures of the inside of his seized air pump.

The microswitches on the bellcrank are shown.

The Bourns and Lucas throttle pots are compared.  Joe Bialy installed a TPS from a GM car instead, and posted pictures of the installation.

There is a picture of a shield to prevent the low pressure freon hose from fouling the throttle linkage.

There is a picture of a safety device to be considered when using K&N air filters.

RadiatorBleed.html compares the early radiator bleed valve to the later bleed plug.

The coolant temperature gauge sender is shown, and there's a treatise on the coolant temperature gauge itself.

There's a discussion on getting rid of the stupid 1-1/2-pass radiator scheme.

Coolant filters are a highly recommended upgrade to the Jaguar V12.

If your coolant crossover pipe is rusty, Tom Bennett shows how to fab one that won't rust.

Richard Dowling provided a picture of a disassembled water pump.

The fan clutch on the Jaguar XJ-S is probably blamed for more than it causes, but it has been known to fail.  It sometimes seizes, bringing the fan up to full pulley RPM -- which can cause the plastic fan, already notorious for cracking and coming apart with disastrous results, undue stress.  The bearing has also been known to fail such that the clutch rattles around or gets off-centered, causing a vibration throughout the car.  And, finally, it's been blamed for freewheeling too much, allowing the car to overheat in traffic.  The OEM four-bolt fan clutch is shown, as well as the mid-70's one-bolt fan clutch.

Jaguar's replacement for the original yellow plastic fan is a black plastic fan.  Here is a comparison of the two.

ElecFan.html shows Palm's electric fan replacement for the belt-driven fan.

ThrottleBodyRadius.html shows Tom Bennett's mod to the V12 butterfly housing.

ColdAirIntake.html presents pictures of several different cold air intake schemes for Jaguar V12's.

tensioner.html shows pictures of the timing chain tensioner.

The book includes plans for machining an aluminum timing chain tensioner access plug; TensionerPlug.html shows a photo of the prototype.

The oil pressure sender and oil pressure switch locations are shown.

If you've got the heads off, apparently it is important to check your new head gaskets to make sure they have all the holes they're supposed to have.  So a picture of some new head gaskets is provided.

Lucas75Aalt.html shows a performance chart for a Lucas 75A alternator.

GMalt.html shows Palm's installation of a GM alternator.

Palm fabricated a new injector harness.

There were several different variations of fuel pump used in the XJ-S over the years.  We have pictures of the early Bosch/Lucas pump with a replaceable check valve, as well as the later Bosch/Lucas pump with integral check valve.  Both of these pumps are separate from the surge tank.  Perhaps later on someone will provide pictures of the still-later pumps that were built into the tank.  Palm also presents an idea for improving the mounting of the pump.

EFIhoseclamps.html describes the fuel injector hose connections, including when to use hose clamps and when not to.

Bernard Embden has set up a web site that illustrates several things he has done to his pre-H.E.  He didn't like the design of the dual fuel rails, so he made his own rail based loosely on the design of the later H.E. rail.  He also shows his installation of a transmission cooler, his modified gas filler, an aftermarket ignition system installation, a B&M transmission oil pan, his el cheapo fix for bad hood struts, and gobs of other stuff.

We've got some pictures of the downpipes so you can see for yourself if the honeycomb inserts look restrictive.

Palm provides a picture showing the location of the steenkin' rivet that causes fuel tank leaks.

Walter Acker IV and Palm collaborate on upgrading the fuel filler.

There's a discussion on octane requirements.

ServiceIntervalCounter.html shows how to turn off the idiot light when replacing oxygen sensors in the early 80's XJ-S.

Greg Meboe's excellent motor mount upgrade is presented.

There's a difference between the front subframe forward mount bushings on the coupe and convertible.

Rust in the spring turrets of the front subframe is a problem.  Carlos Artal posted pix of his subframe while he had it out; it serves as a stark reminder that what you don't know can kill you.

A couple of different differentials were used in the XJ-S with inboard brakes.  Gregory Wells has created a page that illustrates how to tell which type you have.

Replacing the remote brake fluid reservoir on the pre-ABS XJ-S with one from a Mitsubishi is highly recommended.

The handbrake pads on the inboard rear brakes start out square, but they wear tapered.  Here's a pic of a new pad next to a worn pad.

Palm found a problem with the handbrake cable attachment clevises.

You can study the finer points of the OEM caliper pistons vs. aftermarket stainless steel caliper pistons.

The differences between the OEM brake hose and the Gran Turismo Jaguar stainless steel braided hose is illustrated.

The differences between the OEM brake bleeder screws and the Gran Turismo Jaguar bleeder screws is illustrated.

There was a rumor that the OEM brake rotors in the rear of the XJ-S are actually a sandwich construction, so Palm had to cut one up -- and guess what?  Rumors didn't lie!  It really is a sandwich rotor!  You'll have to look closely at this picture to see it, but there are actually three layers visible.

You can learn all about upgrading the inboard rear brakes from solid rotors to vented rotors.

If you have ABS brakes with a bad high pressure hose, Tom Bennett shows how to fab a hose.

If you wish to install a rear anti-sway bar, you need to find radius arms with suitable attachment points -- or weld attachment points onto the radius arms you have.  Palm took the latter route.  The attachments don't look exactly like the factory attachments, but they work just as well.

StubAxleFatigue.html shows Jan Wikström's broken stub axle.

HubCarrierCracks.html shows the cracks in Bob Gallivan's hub carrier.

H4Headlights.html describes the installation of E-Code H4 headlights in the 4-headlight XJ-S.

Palm has been working on a replacement bulb failure sensor.

92Grille.html shows what Palm's US-spec '83 XJ-S looks like with the 1992-on grille installed.

HoodStrutFix.html shows Peyton Gill's fix for bad hood struts.

Palm replaced the main fuse block.  You don't think you care, but you will.

You can look at Walter Acker IV's idea for replacing the wiper motor.

TaillightPanel.html describes the various paint schemes used on the taillight lenses.

TailPipes.html shows some aftermarket tailpipe tips on Palm's '83.

Your electric mirror joysticks don't work?  Surprise, surprise.  Jon Stephenson tells you how to rebuild them.  If you don't wanna fiddle with that, you can see how Palm replaced them with switches.

To avoid a dead battery, it helps to make very sure your trunk light switch turns off the light when the lid is closed.

Hoodliner.html shows Palm's installation of hood liner material from J. C. Whitney (catalog number 25xx0705N) with glue and aluminum tape.

Alan Baker provides a repair procedure for the blower speed controller on the Delanair Mk3 climate control system found on later XJ-S's and XJ40's.

There are some pictures of the freon hoses showing R-12 vs. R-134a.

People with the trip computer sometimes want to know what the center of the dash looks like on earlier cars, so here is a picture of the clock in Palm's '83.

CCdecor.html shows the brass plates Palm had fabbed up to decorate the cam covers.

A series of pages documents the various wheels that fit the XJ-S.

You also need to visit Brian Schreurs' site, where he provides illustrated step-by-step procedures for such projects as replacing the hood struts, replacing the vacuum advance module, or installing change holders in place of the ash trays.

There probably should be an entire page of links to pages showing exhaust system modifications, but we'll start with Wayne Estrada's page.


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