• Advertisement
Xclusively Jaguar
SNG Barratt
David Marks Garages
Make a donation to XJ40.com

Search found 275 matches

Go to advanced search

by XJ4081
Thu Aug 13, 2020 4:01 pm
Forum: Engine
Topic: Leaking coolant reservoir cap
Replies: 16
Views: 353

Re: Leaking coolant reservoir cap

naki_k wrote:Have you checked the twin electric cooling fans both work? It’s not uncommon for them to seize up/ fail.


Yes, they both work, you can't overhear them.

Do I also need new thermostat housing gaskets or can I reuse the old ones?
by XJ4081
Wed Aug 12, 2020 10:21 pm
Forum: Suspension
Topic: Spring compressor
Replies: 74
Views: 10046

Re: Spring compressor

I finally completed the right side (it was a little more mulish than the left) and made a first test drive. And I am astonished :o . It drives soo much softer and smoother, the tramlining has reduced remarkably and the steering wheel finally rests at the center on straight roads. And that's the case...
by XJ4081
Wed Aug 12, 2020 10:09 pm
Forum: Engine
Topic: Leaking coolant reservoir cap
Replies: 16
Views: 353

Re: Leaking coolant reservoir cap

I withdrew about 800ml of coolant, so now the level should be appropriate. I also inspected the radiator, it actually looks not that old, backside looks almost new, and even on the lower front it's not rusty, just a little dirty and larded with insects :lol: . Temperatures had just fallen drasticall...
by XJ4081
Sun Aug 09, 2020 11:16 pm
Forum: Engine
Topic: Leaking coolant reservoir cap
Replies: 16
Views: 353

Re: Leaking coolant reservoir cap

Hi Larry,

I am pretty sure I spotted at least one of the thermostats when I was looking for a leak last year, so I assume they both have not been removed by a previous owner. But could a defect thermostat cause the same behaviour?

Oliver
by XJ4081
Sun Aug 09, 2020 9:44 pm
Forum: Engine
Topic: Leaking coolant reservoir cap
Replies: 16
Views: 353

Re: Leaking coolant reservoir cap

It's actually not that easy to find an experienced mechanic for a XJ40 here :( . The one where I took it the last time did not notice the wrong coolant level, even though I told him to check all that kind of stuff. For unknown reason he went out of business in the meantime :? . So I decided to do as...
by XJ4081
Sat Aug 08, 2020 9:38 pm
Forum: Engine
Topic: Leaking coolant reservoir cap
Replies: 16
Views: 353

Re: Leaking coolant reservoir cap

It actually wasn't me overfilling it, but the garage where the last maintenance was done, I actually relied on them filling in the right amounts of fluids :x . One more reason to do everything myself :roll: . Ok, so I will remove some of the coolant until it just reaches the white tab. Would too muc...
by XJ4081
Sat Aug 08, 2020 3:29 pm
Forum: Engine
Topic: Leaking coolant reservoir cap
Replies: 16
Views: 353

Re: Leaking coolant reservoir cap

Yes, the 12 also has a kind of tab in the reservoir, but no special marking line like I know it from other cars. So it should be filled to the bottom of that tab when cold? In that case there really might be too much fluid in it.
by XJ4081
Fri Aug 07, 2020 11:23 pm
Forum: Engine
Topic: oil in exhaust manifold
Replies: 7
Views: 187

Re: oil in exhaust manifold

On the V12 it's a dreaded incident that the cats glow and burn (and sometimes the whole car) the infamous 'marelli fire'. It is caused by malfunctional ignition components that allow unburnt fuel to go through the cylinder right into the exhaust. I could imagine the same can basically happen on an I...
by XJ4081
Fri Aug 07, 2020 10:59 pm
Forum: Engine
Topic: Leaking coolant reservoir cap
Replies: 16
Views: 353

Re: Leaking coolant reservoir cap

Just had a look under the hood after I had changed one of the front springs and found the cap has been leaking again, this time the engine did not run at all, I simply jacked up that side of the car in order to be able to change the spring. Leaking cap When tightening it the last time I noticed a ki...
by XJ4081
Fri Aug 07, 2020 10:47 pm
Forum: Suspension
Topic: Spring compressor
Replies: 74
Views: 10046

Re: Spring compressor

The first one is done! Left one more rod away so I was able to place my hydraulic jack under the spring pan and with the guidance of the rods and the force of the jack it went a bit quicker and easier than on removal. New Spring Now the left side of the car is set a little higher than the right one,...

Go to advanced search