Replacing fuel pump but from inside
#21
07-28-2024, 02:36 PM
Secondary pump is dead. Primary works fine. Since the car works as always. I will not do anything in this summer.
#22
07-29-2024, 03:26 AM
Senior Member
As for fuel, I believe it's pretty much the same quality, just the US uses a different measuring system so the octane numbers are lower. MON not RON, I think.
#23
07-29-2024, 03:27 AM
Senior Member
Don't floor the throttle too much then, it'll be running lean at high throttle with only one pump working. From memory the second pump comes in at near full throttle or over 4k rpm.
#24
07-29-2024, 05:17 AM
I used that photo in a Jag-Lovers forum post regarding "out the top" removal technique. I cut it out with abrasive wheels. No way would I remove the tank. I covered the top of tank to avoid sparks directly on the tank and hoses....It's discussed in the link.
2002 XJR no start - X300 - Jag-lovers Forums
2002 XJR no start - X300 - Jag-lovers Forums
#25
07-29-2024, 05:22 AM
So, the posted pic, is that yours or just one you borrowed to show your intentions? Because that one wholeheartedly appears to have been die ground, ..clean cuts. I don't see any warpage or fraying from the use of snips.
Your prowess to not permit you to go that route is saying your going to pull the tank into the boot?
Your prowess to not permit you to go that route is saying your going to pull the tank into the boot?
It looks like it need more experience to cut that I'm not experienced with cutting I asked my mechanic to do the job but unfortunately he's out of the Town for while the cat will be at sleep sweet my jag
#26
07-29-2024, 12:45 PM
Pull the relay in the boot & bridge the contacts, then you'll hear the secondary pump running in the tank if it works.
As for fuel, I believe it's pretty much the same quality, just the US uses a different measuring system so the octane numbers are lower. MON not RON, I think.
As for fuel, I believe it's pretty much the same quality, just the US uses a different measuring system so the octane numbers are lower. MON not RON, I think.
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Hooli (07-30-2024)
#27
07-29-2024, 05:57 PM
It's easy to cut out the opening with a Dremel, although I would use a plug-in version or an air powered cut-off tool versus a battery powered tool (I used both).
By the way, the first post in the current thread linked below mentions fuel pumps replaced at 36,000 miles. Hellooo! There are many such references. Yes, Jaguar purchased pumps from vendors, but Jaguar failed at setting the required quality/longevity standards and requiring test data that proved the off-the-shelf parts were up to the task. Mine actually failed at 38,000 miles, not 40,000. PS: There are no structural issues with a hole the size of the one depicted in the first post of this string.
'99 XJR Value? - Jaguar Forums - Jaguar Enthusiasts Forum
By the way, the first post in the current thread linked below mentions fuel pumps replaced at 36,000 miles. Hellooo! There are many such references. Yes, Jaguar purchased pumps from vendors, but Jaguar failed at setting the required quality/longevity standards and requiring test data that proved the off-the-shelf parts were up to the task. Mine actually failed at 38,000 miles, not 40,000. PS: There are no structural issues with a hole the size of the one depicted in the first post of this string.
'99 XJR Value? - Jaguar Forums - Jaguar Enthusiasts Forum
Last edited by 64etype; 07-29-2024 at 06:08 PM.
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Silverjag0 (07-29-2024)
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