Is the Jaguar XJ6 Series III a no start car?

I am not a Jaguar mechanic. I own two XJ6’s a black ’81, which I drive everyday, and a black ’83 that I intend to restore. So not being a comprehensive Jaguar mechanic, I was baffled as to the cause of a deteriorating no-start problem.

Can you replace the wiring on a Jaguar XJ6?

Incidentally, JagBits has a very nice article written about replacing XJ12 wiring that is also relative to other cars. Pictures too! As it turned out, once the pitiful cloth insulation was removed, many wires leading to the coil where cracked, with some hanging on by a few wire strands underneath.

How big should the intake valve be on a Jaguar XJ6?

It is possible to increase the valve size to 1-15/16 inches without changing the size of the spark plug. If you go to a 2 inch intake valve you will have to change to a 10 mm spark plug. You should not go to a 2 inch valve unless you are seriously racing the car.

Where can I get a new Jaguar XJ6?

Its no wonder we see so many excellent condition XJ6s sitting and rotting away in Jaguar Heaven (a Jaguar Wrecking and Parts yard in Stockton, CA). Even a local Jaguar mechanic confirmed this, by saying the dealer does not charge flat rates on these models anymore.

What to do if your Jaguar XJ6 won’t start?

If your XJ6 or XJ12 won’t start, grab your voltmeter and follow this checklist. Covers checking spark plugs, coil, wires and distributor cap, ballast resistor, amplifier and distributor pick-up, fuel supply, fuel pump and relay, air flow meter, fuel injectors and ECU.

How do you wire a Chevy starter solenoid?

Run another piece of 14-gauge wire from the relay to the starter solenoid. Crimp a yellow spade terminal on the relay end of the wire and install it on the “S” terminal on the relay. Install the appropriate wire terminal on the solenoid end and install it on the small “I” terminal on the solenoid.

Where is the yellow wire on a Chevy starter?

The starter wire is usually yellow. If there is no yellow wire, look at the back of the switch for the “S.” Use a yellow female spade to install the wire into the last terminal on the relay. Install the positive battery cable, post end first, to the large terminal on the starter solenoid.

How do you wire a starter to a car?

Unroll the wire and run it to the starter relay. Conceal the wire wherever possible up to the relay. Install a yellow female spade terminal on the end of the wire, then crimp it. Plug this wire into the “battery+” terminal on the relay. Run another piece of 14-gauge wire from the relay to the starter solenoid.

What to do if your Jaguar does not start?

Take your transmission shifter and put it in the “N” position from “P” and try to start the car. The shifter selector switch has been known to wear out or out of adjustment causing a no start situation. If the car does not start put it back in “P” and check the inertia switch.

What happens when you turn off the ignition on a Jaguar?

When activated, it de-energizes the ignition relays in the engine compartment, driver’s side fascia and trunk fuse boxes. It also removes ground inputs from the BPM and windshield wiper stalk switch. This stops the engine and fuel pump, unlocks any locked door, and de-energizes unnecessary electrical systems.

How to check fuses on a jagrepair Jaguar?

1. Check that you have a fully charged battery and that you have power to all fuse panels. 2. Be sure that you have fuel pressure. 3. Check that you have spark. This all seems easy until you get involved in doing it. I will suggest to you to check fuses, fuel schrader valve and all sorts of things.

Why does my Jaguar XF engine not start?

The Crankshaft position sensor is the usual culprit to stop diesels from running. its used for injection Timing and it usually breaks down when hot and the car stops or stutters, then recovers when cold again for a short time. I have know them fail and cause intermittent starting/running though.

What to do when your Jaguar says no start?

If it’s bad enough to create a “no start” you’ll see obvious burning and/or disintegration of the contact. 3) If you don’t have spark at the coil wire-to-distributor cap, then check for power getting to the ignition coil. Power here comes directly from the ignition switch via a white wire.

Why does my Jaguar XJ6 not start up?

About half of the time, the reason why the Jaguar XJ6 will not start or quits running is because of the two main electrical problems that I described above. The other cause of the XJ6 not starting or quits running is the fuel system. Mostly, it is the fuel pump being killed by rust flakes from the two fuel tanks.

Why is my starter not working on my Jaguar?

Some models may have a white/blue wire at the relay which by-passes the ignition ballast . It has no direct bearing on starter operation. 7) If all these voltage checks are OK then you likely have a faulty starter relay. You can opt to replace it or, if desired, disassemble it and clean the contacts.

How to check your Jaguar engine will not crank?

Here’s how to check the circuit. Using the test light or multi meter, make the following voltage checks at the relay: brown wire at terminal C2 should have 12 volts at all times. If not, check for a wiring/connector fault between the relay and the right side firewall post.

What to do if your JAG starter wont crank?

It has no direct bearing on starter operation. 7) If all these voltage checks are OK then you likely have a faulty starter relay. You can opt to replace it or, if desired, disassemble it and clean the contacts. Many Jag owners have been sucessful in resurecting a dead relay with a good cleaning.

What are the problems with the Jaguar XJ6?

The gauges were high quality and craftsmanship Smiths gauges. Wealthy people bought the Jaguar XJ6, knowing that these cars had a reputation for breaking down frequently. You had to be wealthy to buy one new, not just because of the initial purchase price, but also because of the constant costly repairs.

When did the Jaguar XJ6 come to America?

The Jaguar XJ6 that was manufactured from the early 1970s through the early 1980s was one of the most frustrating automobiles ever made. It was a luxury British automobile that was imported to the United States, and it had a high price new at the dealer.

What’s the difference between the Jaguar XJ6 and XJ12?

Quality control finally improved for 1982, when the excellent HE V-12 was introduced; before that it bordered on sabotage. The XJ-40 replaced the XJ6 for 1987, while the XJ12 soldiered on until 1991. Enthusiasts gravitate to the six-cylinder cars because they are easier to work on—and you will be working on them, so plan on it.

Where are the wires on a Jaguar XJ6?

Shorted or broken wires on this loom is not uncommon, as the locations of these few wires are located under the water manifold and right next to the engine. This is obviously a place where engine heat is trapped and can run very high.

What kind of car is the Jaguar XJ6?

The Jaguar XJ6 is full of them. A luxury sedan built by a legendary sports-car maker. Ye Olde World quality, in an era–and in a country–where quality control was increasingly slipshod. A car that was once fairly common and is easily identified by great swaths of the American public, yet today is rarely restored.

Is it possible to restore a 1972 Jaguar XJ6?

A car that was once fairly common and is easily identified by great swaths of the American public, yet today is rarely restored. But another contradiction is more inherent to Mike Zavos’s remarkably restored 1972 Jaguar XJ6. Yes, an early XJ6, returned to as-new (or better) quality by its owner.

What kind of transmission does a Jaguar XJ6 have?

Jaguar XJ6 Service and Repair Manual 3261 Jaguar XJ6 Models covered Jaguar XJ6 models with 3.2 litre (3239 cc), 3.6 litre (3590 cc) & 4.0 litre (3980 cc) six-cylinder in-line dohc petrol engines and automatic transmission

How old was my father when he bought a Jaguar XJ6?

I could not believe it when my father bought a 1983 XJ6L Vanden Plas in about 1992. I was about 23 years old, and a mechanical engineering student at the University of Florida.

What kind of interior does a Jaguar XJ6 have?

The seats were leather, the doors had leather trim, the dash board was fine wood veneer. The gauges were high quality and craftsmanship Smiths gauges. Wealthy people bought the Jaguar XJ6, knowing that these cars had a reputation for breaking down frequently.

Can you watch a Jaguar XJ6 sovereign on YouTube?

If playback doesn’t begin shortly, try restarting your device. An error occurred. Please try again later. (Playback ID: LZ7P65WEnEPtKBFP) Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer. An error occurred while retrieving sharing information.

I could not believe it when my father bought a 1983 XJ6L Vanden Plas in about 1992. I was about 23 years old, and a mechanical engineering student at the University of Florida.

What kind of engine does a Jaguar XJ6 have?

Models covered Jaguar XJ6 models with 3.2 litre (3239 cc), 3.6 litre (3590 cc) & 4.0 litre (3980 cc) six-cylinder in-line dohc petrol engines and automatic transmission

Why does my Jaguar XJ6 engine not start?

For a period of approximately a month, the engine became harder and harder to start, until one day, it wouldnt start at all. The engine would crank and eventually start at time though.

Models covered Jaguar XJ6 models with 3.2 litre (3239 cc), 3.6 litre (3590 cc) & 4.0 litre (3980 cc) six-cylinder in-line dohc petrol engines and automatic transmission

How can I tell if my Jaguar XJ6 is immobilised?

To find out if a car is immobilised, perform this check. Turn ignition on but do not crank the engine. Observe the orange ‘check engine’ light in the bottom left corner of the instrument pod. If that light goes out, the car is immobilsed, at least by the starter not cranking the engine if you try to start it.

Where is the Check Engine light on a Jaguar XJ6?

Observe the orange ‘check engine’ light in the bottom left corner of the instrument pod. If that light goes out, the car is immobilsed, at least by the starter not cranking the engine if you try to start it. The fact that other systems like wipers, lights, windows etc. will still work can confuse the issue.

When did the Jaguar XJ6 start and run?

I now want to tell everyone how to make the Jaguar XJ6 manufactured from the early 1970s through the early 1980s start and run. I had previously not wanted to tell very many people, so that the price of these cars would continue to stay very low, and I would be able to buy many more of them, hoard them for myself, and save them.

How old was Donnie Taylor when he bought a Jaguar XJ6?

Donnie Taylor drove to Miami and brought back a 1978 Jaguar XJ6L. The car was white, with a red leather interior. This was 1982, I was about thirteen years old.

Why does my Jaguar have a restricted performance error?

What is the Jaguar Restricted Performance error? With the Restricted Performance error message, the car is indicating that the engine management system has gone into a “limp” mode to protect certain systems and components. This changes depending on the system or components being protected.

What does the 2nd Battery do on a Jaguar XF?

So the weeny 2nd battery on mine is just for stop/start restarting the engine, and the main battery is to keep everything else on during a stop. I thought that was the same for the XF as well.

How does the Intelligent Stop Start system work on a Jaguar?

If the ECO stop/start button is pressed while an automatic engine stop is in progress, the engine will restart. The Intelligent stop/start system will automatically reactivate the next time the vehicle’s ignition is switched on.

Why is my Jaguar X300 XJ not working?

In these vehicles, the driver may experience extending cranking when attempting to start the engine when it is hot (i.e. the engine has been recently running and then turned off) due to a defect with the fuel tank pressure control valve (Rochester valve). If confirmed, the valve was to be replaced.

Are there any recalls on the Jaguar XJ?

In February 2001, Jaguar issued service bulletin 05.1-36 for 1995 to 1997 model year Jaguar XJ and XJR vehicles with 4.0-litre I6 engines and VINs in the range 720001 to 812255. Some of these vehicles may experience poor idle quality, hesitation and other drivability concerns.

How much horsepower does a Jaguar XJ6 have?

The signature 4.2-liter DOHC six-cylinder delivered 180 horsepower, along with four-wheel independent suspension, power rack-and-pinion steering, power disc brakes all round, and an automatic transmission. The cars featured leather seats, walnut fascia, and sufficient gauges for a small plane.

What kind of air conditioning does a Jaguar XJ have?

Power-assisted steering and leather upholstery were standard on the 2.8 L De Luxe and 4.2 L models and air conditioning was offered as an optional extra on the 4.2 L Daimler versions which were launched in October 1969, in a series of television advertisements featuring Sir William.

When did the Jaguar XJ6 series 2 come out?

Commonly referred to as the “Series II”, the XJ line received a facelift in Autumn 1973 for the 1974 model year. The 4.2 L XJ6 straight-6 engine (most popular in the United Kingdom) and the 5.3 L V12 XJ12 were continued with an addition of a 3.4 L (3,442 cc (210.0 cu in)) version of the XK engine available from 1975.

These models are equipped with dual overhead cam in-line six- cylinder engines. The engines feature a computer-controlled ignition system and electronic fuel injection. Transmissions are a four-speed automatic equipped with a lock-up torque converter.

Which is worse a Jaguar XJ6 or XJ12?

Beginning in the 1970s, frustrated owners started fitting Chevrolet V-8s into the worst XJ6 sedans, although they are a poor substitute. The wiring harness must be modified, sending units swapped to make gauges work, and legal smog gear fitted in California. Plus V-8s vibrate worse than straight-sixes, and nobody trusts a mongrel.

Can a Jaguar XJ12 be replaced under the bonnet?

The Brits (still trying to get back at us for the Revolution), are very poor with their wire insulation and even worse at their artistic endeavor to provide a clean under-bonnet wiringat least in this vintage Jaguar. Incidentally, JagBits has a very nice article written about replacing XJ12 wiring that is also relative to other cars.

How to know if your engine has no spark?

First Confirm Your Engine Has No Spark. 1 Disable the fuel system by removing the fuel pump fuse or relay. 2 Insert a spark plug tester into the plug boot and ground it on a piece of metal on the engine. 3 Finally, Have someone crank the engine and watch for spark.

Do you need a stud for a Jaguar XJ6?

Also, Harley Davidson Motorcycles has a great 1.5 long rubber isolator for $2 apiece where Jaguars part is $12-14 each. You will need to purchase spacer washers, lock washers and nuts for each (18 of each total). The stud is vulcanized into the rubber, so no stud is necessary.

Where can I buy a 1986 Jaguar XJ6?

Gateway Classic Cars is proud in presenting this 1986 Jaguar XJ6 in the Milwaukee Showroom. When one thinks of Jaguar you cant help but associate performance and luxury being in the same machine, a… More Info › Gateway Classic Cars of Detroit is happy to present this 1986 Jaguar XJ6 Series III for sale!

Why are Jaguar XJ6 and XJ12 not worth more?

The V-12 is more difficult to maintain, and overheating issues were exacerbated by catalytic converters raising under-hood temperatures to crematorium levels. Rubber fuel hoses in the V never stood a chance. Ray Nierlich is a lifetime Jaguar expert, and has been Dr. Jaguar in Newport Beach for 25 years.

Where is the NSS on a 1997 Jaguar XJ6?

I thought this could be similar, but had heard that 1997’s didn’t have the NSS. Car is old, but has run great with no problems. Two connectors go into the Park lock switch above the gear sift nob and down to the transmission.

What do you need to start a Jaguar XJ6 Series III?

Cut it to length and provide your friends with replacement pieces from whats left! Also, Harley Davidson Motorcycles has a great 1.5 long rubber isolator for $2 apiece where Jaguars part is $12-14 each. You will need to purchase spacer washers, lock washers and nuts for each (18 of each total).

When to start troubleshooting on a Jaguar XJ?

If you have a ballast which checks good at both terminals but no voltage at the “+” coil post, then check for a wiring fault between the ballast and the coil. If you don’t have a ballast you should have voltage at the “+” coil post if your wiring is OK, as mentioned earlier.

What do you need to test a Jaguar 6 cylinder?

The specific details pertain to the Series III 6 cylinder models although most of the basic steps apply equally well to earlier versions. Basic hand tools, a 12 volt test light or multi-meter, jumper wire, wire brush, and sandpaper are all that’s required as far as supplies go.

How do you stop a Jaguar XJ6 Series III?

Very carefully, with a sharp, straight edged razor, I cut away the brittle, now hard as plastic, rubber boot that protected the top of the connector. There are two wires leading into this connector. After carefully removing the spring retaining clip, I lifted the connector slowly, causing the engine to cease.

What kind of body does a Jaguar XJ have?

Discussion and General Information on all versions of the current Jaguar XJ (X351) including SWB & LWB versions: XJ Luxury, XJ Premium Luxury, XJ Portfolio, XJ Supersport and XJR. Discussion and General Information on the Jaguar XJ Series X350 & Facelift X358 production from 2003 – 2009 Aluminium body. Also called: XJ6, XJ8]

When does purge valve open on Jaguar XJ6?

After engine coolant temperature exceeds 113 F (45 C), the valve opens since current no longer passes through a thermal switch (also part of air injection system on Federal models). When the engine is warming up on XJS HE models, a timer/relay switch delays purge valve opening for 45 seconds after engine is started.

When did the Jaguar XJ6 series come out?

A two-door coupe was introduced in 1975, but door seals leaked, the body flexed, and it is rare today (production amounted to 6487 XJ6s, 1855 XJ12s). The final redesign of the original XJ occurred in 1980 with the Series III. Pininfarina raised the roof of the rear and smoothed out the rear fender line.

Where is the starter wire on a Jaguar?

The starter relay will have a white/red wire which leads to the starter solenoid on the starter motor. Disconnect this wire from the relay and, using your jumper wire, apply 12 volts.

Which is standard equipment on a Jaguar XJ6?

Power-assisted Anti-lock Brake Systems (ABS) with four-wheel disc brakes are standard equipment on all Jaguar XJ6 models covered in this manual. Power rack-and-pinion steering is also standard equipment. Your Jaguar manual The aim of this manual is to help you get the best value from your vehicle. It can do so in several ways.

How do you get the ignition off a Jaguar XJ6?

Removal of the ignition barrel to free up the igntion switch is done by putting the key in and turning it to position ‘I’, and then pushing in the little detent pin on top of the outer barrel with a bent pointed tool. The lock barrel can then be pulled out, exposing the laterally moving part of the ignition switch.

Navigation