XJ40 ( XJ81 ) 1986 - 1994

New to me xj40... Head gasket issues?

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  #21  
Old 05-26-2012, 09:31 AM
jeffw563's Avatar
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Default Head Gasket 1994 xj40

My 1994 xj40 is loosing coolant somewhere behind the block. One day about three weeks ago it was spraying out from that area. Then no problems for a while but now I'm seeing and smelling the coolant as it leaks onto the exhaust. Any thought on this one ?

Originally Posted by oliviermv
First.
Hello all!
I have always admired these cars (from afar) and a few days ago a free xj6 fell into my lap (not literally of course).
As with all free cars, there is a catch.

The previous owner believes the headgasket is out on the car and I think she was right.

The car ran and drove fine, until one day a few weeks ago the car wouldn't start. An inspection revealed coolant near the air filter and with the plugs out, cranking the engine shoots coolant out the plug holes...

I'm looking forward (haha) to getting into the car next week and checking compression etc to confirm the head and or hg are bad before tearing into it.

Any other thoughts on where the coolant could be coming from? Not familiar with these motors, but maybe there is another place where coolant can get into the intake... Also, with about 140k miles am I better off finding a running motor from a crashed car or doing the head?

The rest of the car is in very good shape and everything works!

Thanks!
 
  #22  
Old 05-26-2012, 10:37 PM
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Originally Posted by jeffw563
My 1994 xj40 is loosing coolant somewhere behind the block. One day about three weeks ago it was spraying out from that area. Then no problems for a while but now I'm seeing and smelling the coolant as it leaks onto the exhaust. Any thought on this one ?
Yup,


There is a rear cover back there that opens up to a coolant and oil gallery. I think there is a TSB about coolant leaking from there. The gasket can be replaced with the head in the car IIRC.

Oh and P.S. OlivimerMV don't want to rain on a good day but it looks like you had some minor corrosion going on there on your head. I hope you dealt with it, don't want it getting as far as mine did. I took a bit of a gamble. https://www.jaguarforums.com/forum/x...ok-like-66443/
 

Last edited by gunnerman; 05-26-2012 at 10:44 PM.
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