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Hello again, It's been a long time since I started this and I have finally managed to put a check valve in the pipe just after the tank. I was hoping that would cure the dramatic loss in fuel pressure when I switch off. Unfortunately nothing has changed, so it wasn't the pump check valve after...

Thanks for the advice eveyone. I think I will do a combination of both as well as pumping in more grease before I fit it. Re the plug suggestion. For later on I'll see if you can position the U/J so you can remove to plug and fit the nipple and then put it back. I had not noted the plug in the...

Thanks for the advice so far. Having had a closer look at what is on the car it seems that I have one greasable ball joint and one that can't be regreased. I have attached a pic of the knuckle and also a pic of what Crown are offering as a replacement which clearly shows two nipples in the pack...

Yes, it's parts #20. I'll get some shots of the real thing to show the problem.

Sooner or later due the lousy Spanish roads round here I am going to have to replace the ball joints on the steering knuckle. Getting the parts and fitting them does not seem too bad a job, but I have a question about lubrication. The top joint has a grease nipple which is easy to get at, but...

Thanks for the latest info. I have done a pressure check today and your diagnosis is spot on Thanks. On turning the key to run I got 30 psi and on the second go got 37 psi. When I turned the key off it lost ALL pressure in about 3 or 4 seconds. Running at low idle it settled at 38 psi and 44 psi...

If push comes to shove and I need to replace an injector I think I should go the the 4 hole type. Can you advise which is a good replacement? Can you include Maker, part number etc? I have worked on many diesel injectors but never before on petrol (sorry gas) ones.

Thanks for the suggestions so far. Will keep you posted on the pressure checks.

I have done the check and there definitely seems to be a loss of pressure as it fires up quickly when doing the key thing. I will be borrowing a pressure gauge from a friend this week. What I need to know is how to pinpoint the leak as there seem to be two possible places. One is the pump check...

I have a swing out spare wheel carrier on my 4.0lit XJ. I believe these were a factory option for a short time. Has anybody any documentary evidence that these were original fitments? I am looking for a picture from a manual or brochure that clearly shows this so I can prove that it is original...

Something has changed. I have two 4lit XJs and until recently they both started with the first flick of the key, winter or summer. Now one of them, the 1994 one, needs a lot more cranking than it used to, but it always starts. I have checked the usual things like plugs and distributor cap which...

I have upset something. after fruitless attempts to get the sensor out of the cat I resorted to WD 40 and then my old faithful penetrating oil, diesel, which I have used for years on seized components. Today the engine cut out dead on a roundabout. It restarted OK seconds later. Driving back...

I have not tried this yet as it means removing panels etc. I have the dreaded Test coming up on 21st for re-plating the car from UK plates to Spanish. Everything sees to be working OK at the moment so I'll have a look after the test is done. I will also get an idea of the exhaust pipe emissions...

The pictures that should have appeared above are here.

I have given up trying to find this part despite days of searching so here is what I have done. For Jeep Cherokee XJ fitted with after catalyst Temperature Probe Some European specification RHD Cherokees have been fitted with a temperature probe where an after-cat lambda/oxygen sensor can...

I have been given the following Jeep part number 52079197 which comes up as a temperature sensor for a RHD European spec on a Mopar site but I cannot see any further details. Rear O2 sensors did not appear till later. Comparing the pic above to what I have shows a much fatter item, mine only...

I have been advised that this is not an oxygen sensor but a temperature sensor. The mystery is why it is fitted to my Jeep when after cat oxygen sensors did not come in till 1998. I can find no mention of temp sensors. I don't know its purpose. Is it simply to warn of high exhaust temps or does...

Hello, I will be fitting a new cat shortly and may have to fit a new rear, (after cat) oxygen sensor if the current one gets broken. I have hunted high and low but can find nothing like the one currently fitted so can someone please help. Apart from the baffling number of choices and equivalent...

I have swopped over the RHS tyres and the problem seems to have gone away. I have not done a long run yet, but locally on smooth roads things seem to be quieter. I will jack up the back end and check for runout on the rim and tyre. It is possible that a large local pothole and believe me there...

Can you tell me what a cap seal is and where it lives? I may already know but you have different terminology in the US. Regards Mike