Question about 2005 Jaguar XJ-Series

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2004 Jaguar XJ8 with 60,000 miles. A/C was working intermittently, so took to dealer to fix. They found a "leaky" o-ring, replaced it, and recharged the system. No other problems found. Problem still exists intermittently. As soon as I turn the A/C on the radiator fan runs and continues to do so even after I have been at highway speeds. After turning A/C off the fan shuts down within 15 seconds. Engine temp is fine. At times, the A/C compressor shuts down entirely.

Posted by Anonymous on

  • Charles Osborn Jun 09, 2017

    There is a screen in line would look at that to fix problem,fans run all the time when ac is on, pump runs and is controlled by pressure there is a high side and low side switch.

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  • Jaguar Master
  • 682 Answers

Sounds like you have a blockage in the system the fans come in to cool the condensor, have you had the system flushed and the receiver/drier replaced? or there maybe moisture in the system which will create ice in the system and cause a restriction or the ext. temp sensor is faulty

Posted on Jun 09, 2017

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  • 2 Answers

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Posted on Jan 02, 2017

  • 21 Answers

SOURCE: where is the thr0mstat in jaguar xj8 could you please show a diag

open bonnet...front of engine where the belt is,top pulley in the middle,then just above that pulley there is a black plastic housing with 3 x 8mm bolts facing forwards and the top hose connected to it,the thermostat is in there

Posted on Dec 12, 2008

  • 18 Answers

SOURCE: 2003 Jag S-type engine cooling fan comes on and stays on

try replacing the fan stat, usually on the rad

Posted on Apr 25, 2009

  • 17 Answers

SOURCE: 1998 jaguar xj8 consumes anti-freeze

First thing to check is the radiator cap seal. If it is not sealing properly, the water will boil off and then soon, the anti freeze will begin to disappear. Clean the metal surfaces and gasket and make sure it is tight ---or buy a new cap --but make sure there is a seal. If that doesn't cure it, you may have a head gasket leak that blows the coolant (anti freeze) into one cylinder. If that cylinder is tight, the coolant will only evaporate in the heat and be blown out the exhaust --not entering the oil pan. Check your exhaust when you start up. You may see white smoke, or even liquid, exiting the exhaust pipe, indicating a blown head gasket (then engine may run rough, too). If this is the case, there are reasonably inexpensive cures for this in some cases.

Posted on Jul 09, 2009

  • 158 Answers

SOURCE: very noisy squeky fron suspension on jaguar xj8

You might need a lube job or you may need to see if noise is coming from another place such as your engine water pump, brakes, power steering. Look for leaks.

Posted on Sep 14, 2009

  • 262 Answers

SOURCE: 2004 Jaguar X Type... fan continues to run for

your thermostat is not openning properly change it and flush your radiator out and put fresh antifreeze

Posted on Oct 19, 2009

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http://yourhandymanzone.com/Your_Handyman_Zone_How_To_Pages_Vehicle_Car_Zone_Cars_Trucks_Vans_Transmission_System_Jerking_When_Engine_Accelerated_Transmission_First_Gear.htm

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I had this problem with my wifes car. I went through the car top to toe and found more than one problem causing this intermittant issue.
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JPTCAT

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