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Sedans Jaguar XJ-Series Jaguar XJ-Series Fuel System Questions
19 messages, Last post on Aug 08, 2008 at 12:05 PM
You are in the Jaguar XJ-Series Forum. Your Hosts are pat & karens
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The dealership just told me that my timing chain broke. Once they open the cover, I might also have to change the valves because it could be bent. Now, did anyone have this problem on the timing chain? How come they just don't replace the timing chain at 85,000 or whatever in their service maintenance? It will cost me approximately $3300 to change the timing chain and maybe another $1100 if the valves are bent. Does that sound right? After fixing my transmission, air con and timing chain, do you know of any other major problems you've had go wrong?
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Replying to: ksj (Jan 24, 2007 3:07 pm) Good luck - let us know how it goes.
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Replying to: nancyisenberg (Nov 27, 2006 8:12 am)
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I have been trying to resolve a long cranking condition on a 94 xj12 I have had to replace the fuel filter about 1500 miles ago because it was almost completely restricted-vehicle would not rev up beyond 2000 rpm's That worked great for about a month but it has started taking 15-20 seconds of cranking before it slowly comes to life it runs fine out on the road no miss or hesitation I replaced the fuel pressure regulator after reading about a tsb pertaining to what sounded like this exact scenario did not change anything I did insert a fuel pressure gauge in place of the fuel filter and watched 85 psi of fuel pressure but noticed it falls off as soon as the pump quits running I went ahead and replaced the fuel filter again as a precaution I then replaced the primary fuel pump with an oem bosch pump not the housing just the pump still not getting anywhere I am starting to go bald on the right side from pulling my hair out is there anyone who has walked this road before or seen this scenario play out? Thanks!  ">
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Replying to: jag21 (May 17, 2007 1:18 pm) |
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it has just come to my attention that I just responded to a post that has been here for almost a year...somewhat of a ghost town in here
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Replying to: myusername2 (May 15, 2008 3:31 pm)  ) will attract other posters who are waiting for something new to read. However, if no one shows up soon, try posting in our Answers section over there on the right sidebar. Good luck - hope we can help one way or the other! |
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Replying to: jag21 (May 17, 2007 1:18 pm) |
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Replying to: pat (Jan 25, 2007 5:46 am)  the valves and pistons unite in unholy matrimony. If your engine number is 9810210599 or less then it will have the bad tensioner if it has the original factory one still fitted. You need the newer 4.2 spec ones fitted real soon, it says if you can hear any chain rattle from the front end switch it off and tow it to nearest garage before it die$$$. Added to that this engine has a $3k throttle body mod that needs to have been done or it stalls a lot and those cylinder liners are nickasil if manufactured before sep '99 which can fail causing low compression.
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