Jaguar XJ8 - Popular Questions, Answers, Tips & Manuals


As with any car run the car for about 1/2 an hour,or until it is hot.Feel your top radiator hose, if it is hard and you cannot flex it. That is telling you your thermostat is stuck in the closed position and your antifreeze, is not circulating,which would explain your cold air. I hope this helped.

Jaguar XJ8 Cars... | 20 views | 0 helpful votes


Water valve is stuck or not being operated

Jaguar XJ8 Cars... | 37 views | 0 helpful votes


Put 2 gallons in and let the fuel pump run.

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will not raise in cold weather? do they go up in warm weather ? you may have condensate in your air lines that freezes . Evacuate the lines and clear the compressor drain .

Jaguar XJ8 Cars... | 546 views | 0 helpful votes


the datum marks on the eccentric bolt heads are to help reassemble when you have replaced suspension parts to make it easy to set up the camber/castor front wheel tracking you should make a note off the original settings before dismantling use the centre setting ie middle line to dot BUT THE FRONT CAMBER/TRACKINGCASTER SHOULD BE CHECKED ADJUSTED BY A SPECIALIST WITH 4 WHEEL ALIGNMENT KIT

1998 Jaguar XJ8L | 33 views | 0 helpful votes


Transmission fluid is a good possibility.

2007 Jaguar XJ8L... | 33 views | 0 helpful votes


If Gas mixes with water, combustion is impossible. Not only is the fuel bad, the lines and spark plugs are messed up. Water will also mess up the electrical lines and the cars computer.
First, get some gasoline drying solution. That takes a day or two to work. When the water is removed from the gas tank, add fresh 100% gas. Pull all the spark plugs and clean the ends and check the gap for proper distance. Make certain the plugs are clean and dry before you reinsert them into the ports. Dry and clean all spark plug wires. Check you battery also. It should not have corrosion on the poles. If they have a coating, clean them and make perfect contact with the power cables. Try to start the engine now. Good luck.

1998 Jaguar XJ8L | 59 views | 0 helpful votes


Check your coolant reservoir for cracks and make sure your bleeding hose plug is screwed on tight .

2001 Jaguar XJ8 | 64 views | 0 helpful votes


I'd change the plugs as per this link, and swear by an 'internal service' by chemicals as manufactureed by BG Products available on Ebay (The chemicals are for professional use so stick to the instructions). If you haven't seen this thread, take a look.
https://www.jaguarforums.com/forum/xj-xj8-xjr-x308-27/xj8-starting-problems-62830/

I

2001 Jaguar XJ8 | 43 views | 0 helpful votes


I. make sure your battery is ok first.
2.using your key unlock and lock your drivers door a couple of times; then try starting the car.
3.if you have a spare key ' try using it to see if it start your car. if it start with spare key then your main key needs a new chip.
good luck and god bless.

Jaguar XJ8 Cars... | 270 views | 0 helpful votes


not sure what model you are asking about? in 1988 there was the series 3. the xjs 5,3 v12. and the 6 cyl 3.6 and 4.0 ltr give me the vehicle you are asking about the xj8 was in the market in the late 1990s

Jaguar XJ8 Cars... | 77 views | 0 helpful votes


my suggestion is to clean your throttle body.it might take care of it.

Jaguar XJ8 Cars... | 114 views | 1 helpful votes


try disconnecting and reconnecting your battery cable.it does wonders sometimes.
good luck.

Jaguar XJ8 Cars... | 113 views | 0 helpful votes


the most common problems with the aj26/27 engine cooling system problems 1 thermostat 2 waterpump 3 blocked radiator the cooling temp indicator on the dash defaults to norm unless ther is a serious overheat perhaps its ok as it is if no one has changed any hoses and put in the wrong way then check 1 first then 2 then 3 is the cooling fan coming in al lthe time?thermostat is favorite

Jaguar XJ8 Cars... | 73 views | 0 helpful votes


Hello
When the light comes on , is there any engine vibration?

1998 Jaguar XJ8L | 86 views | 0 helpful votes


you must mean out of limp mode.

Jaguar XJ8 Cars... | 50 views | 0 helpful votes

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