XK / XKR ( X150 ) 2006 - 2014

fan comes on from cold start

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Old 01-03-2020, 03:19 PM
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Default fan comes on from cold start

car not been used for weeks or turned over , so decided today to turn over the engine let it idle for 20 mins . as soon as i started it the fan came on quite loud and stayed on even when i turned of the engine it continued to run for 30secs . i let it cool for a few hrs then turned ignition on tonite but not engine yip fan came on straight away. any ideas?
 
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Old 01-03-2020, 04:50 PM
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Maybe ECT is giving false reading making car think it needs fans on/high.
 
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Old 01-03-2020, 04:57 PM
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could be never thought of that one
 
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Old 01-03-2020, 07:10 PM
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Is your climate control, defroster and subsequently ac on automatically? It is in mine when temp drops.
Some cars will turn cooling fan on when if ac is on.
Just a guess, try it.
 
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Old 01-03-2020, 07:44 PM
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Thanks Q&C i will put scanner on car over weekend see if it picks up any codes . as you know i changed out the water pump a couple year back , first thoughts was its gone. did not have the time to give the jag a check over today but coolant level was normal . my thoughts are thermostat faulty, or relay sensor etc or could be just a worn wire . been on the web to me its on them lines but stand to be corrected
 
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Old 01-04-2020, 12:33 AM
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I would have thought it is unlikely to be a water pump or thermostat issue if the fan comes on as soon as you start the car when the engine is cold.
 
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Old 01-04-2020, 01:29 PM
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Went out to car today key fob in pocket , i pull the drivers door open , Fan starts up . so a short some were not even sat in seat never mind pressed any thing , fan came on and off a few times i hooked up the i carsoft V11 i had bought last year its picking up code P0481 control circuit/cooling fan2 mal function , thinking now must be a worn wire as it came on and i had only open the car door lol also picking up another code P1603 drivers seat lumbar support sensor i never knew about that one . Will book it into indy
 
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Old 01-04-2020, 06:16 PM
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Mate says faulty relay as it is getting a ground if it was a worn wire fan would not come on says to erase the codes and now the battery is charging it had fell to 11.5 now sits at 13.4 volts it could also have played a part FS
 
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Old 01-05-2020, 01:37 PM
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update. out to car today tried changing fuse F31 in front fuse box . as soon as i opend door on comes the fan again . pulled the fuse it stops . old fuse looks ok but replaced it with new 10a fuse on comes fan again . pulled a few relays the large square ones fan still on only 2 rectangular shaped relays left . Pulled the first on left . fan goes off , put relay back in fans on again , pulled the other to the right fan goes off again , closed bonnet and fans still on without engine or ignition on , locked car via key fob . fan goes of . Got her indoors to follow me to indys left car their , he can fix at his leisure will update when i know whats wrong and fix
 
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Old 01-05-2020, 02:00 PM
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Old 01-05-2020, 07:07 PM
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Originally Posted by George05
Good find, but not so good of a solution. No one took the time or care to post their solution. Try sending the 2 other members that experienced this similar problem an email or pm to see what their solution was.
 
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Old 01-06-2020, 12:55 AM
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It is ok DGL i shall wait see what garage says and will update out come
 
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Old 01-07-2020, 01:02 PM
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no call from garage today
 
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Old 01-07-2020, 07:31 PM
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Originally Posted by George05
no call from garage today
I'm following this thread. Keep us updated.
 
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Old 01-07-2020, 10:24 PM
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Originally Posted by DGL
I'm following this thread. Keep us updated.
Shall find out today (i hope) DGL and let you guys know . yes its a pity them others did not report back but i aint chasing them to find out
 
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Old 01-07-2020, 10:34 PM
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Old 01-08-2020, 09:37 AM
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Originally Posted by George05
Wow, the dealer replaced the water pump and water pump switch because the switch was faulty. Couldn't the switch simply be replaced? Maybe they thought it was good to replace the water pump because it was showing signs of leakage or was a good time to change out another defective part.
 
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Old 01-08-2020, 10:59 AM
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Result as such , in my case a worn wire as predicted by my indie who has been a jaguar guy for over 30 year , not had a look at car but i was dropped of soon afer garage called around 12 lunch time to pick up car , it cost 4hrs labour for them to trace problem and remove front bumper wire was located under that cant remember what side as events unfolded on way home . car drove really good it felt better than it went in . Well it felt that way . doing 70mph on a stretch of dual carriage way whilst over taking i hit a very large pot hole at least 3ft across and around 8 inch deep BANG tyre blew . instincts cut in and i put on hazard warning lights and veered from outside lane to emergency lane , tyre kaput and kink on inside of alloy . phoned a few nos and hour later a tyre fiter van came to my rescue with a new dunlop 255-35-20 tyre drove car home now shattered and deprived of green backs
 
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Old 01-08-2020, 11:48 AM
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George,
To offer some consolation when its pissing down on you.
It would have taken a great deal of plumbing misfortunes by a great many to pay for a Jaguar like that.
You are still ahead.

I bet the mechanic's 4 hour rate was lower than your minimum.
 

Last edited by Queen and Country; 01-08-2020 at 11:57 AM.
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Old 01-08-2020, 12:07 PM
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Originally Posted by Queen and Country
George,
To offer some consolation when its pissing down on you.
It would have taken a great deal of plumbing misfortunes by a great many to pay for a Jaguar like that.
You are still ahead.

I bet the mechanic's 4 hour rate was lower than your minimum.
i am not a rich man QC took a lot of the Queens pounds after 30 years working for others to strike out on my own now a few year later can see through the rain clouds lol the indy owner is a client roses will spring again off for a cuddle with the cat of nine tails
 
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