Jaguar TSB Tidbits and Trivia
#1
Jaguar TSB Tidbits and Trivia
I was going through Jaguar TSBs and came across hundreds of random tidbits. Here are a few that some may find useful or interesting. Sorta fun reading them. Maybe someday I'll post others. These pertain to XJS and Series III cars.
Introduction of Delanair MkIII climate control: XJS 134286. Series III V12 467377 (note that the Series III 6 cylinder cars never got the Mk III system)
Introduction of 16CU ECU on V12 cars: XJS 130836. Series III 451794. The TSB mentions C, F emissions cars only. I didn't see any other info regard other cars...but may have missed it
AC Compressor protection circuit: The Superheat/thermal fuse system was replaced by the HSLP system. XJS 136646. Series III V12 471852. Series III 6 cylinder 471857
Rear anti-roll deleted: XJS 106452
Introduction of High Mounted Stop Light: XJS 125881. Series III 434936. NAS cars only
Central locking on Series III cars. At 346688 the system was changed to allow exterior lock/unlock from the driver's door only, as opposed to both front doors.
Central Locking on Series III cars: Change from the Lucas solenoid system to the Kiekert motorized system: 428715 (LHD cars) 429455 (RHD cars). These VIN breaks are earlier than I've seen elsewhere.
Cold start injectors deleted on V12 engines: 114474 XJS. 377726 Series III. The TSB mentions “except D-emissions cars” (?)
Fuel temp switch introduced Series III 6 cylinder: 356475 (NAS cars). 357310 (Aus). 364931 (all other). (Note: Jaguar also offered a retrofit kit for cars not built with the temp switch)
High Compression Engine Introduction 1980: XJS 104146 (RHD) 104235 (LHD). Series III 310613 (RHD) 310676 (LHD). Note that this isn't the “HE” engine. This is last iteration of the pre-HE V12; the oft-ballyhooed hot rod variant, only in production for a few months. For NAS cars the compression was increased to 9.0:1 and for other markets increased to 10.0:1
Revised Alignment Specifications: there must be at least a half dozen TSBs showing revisions. Maybe one day I'll try to sort them out and will post the result.
Cheers
DD
Introduction of Delanair MkIII climate control: XJS 134286. Series III V12 467377 (note that the Series III 6 cylinder cars never got the Mk III system)
Introduction of 16CU ECU on V12 cars: XJS 130836. Series III 451794. The TSB mentions C, F emissions cars only. I didn't see any other info regard other cars...but may have missed it
AC Compressor protection circuit: The Superheat/thermal fuse system was replaced by the HSLP system. XJS 136646. Series III V12 471852. Series III 6 cylinder 471857
Rear anti-roll deleted: XJS 106452
Introduction of High Mounted Stop Light: XJS 125881. Series III 434936. NAS cars only
Central locking on Series III cars. At 346688 the system was changed to allow exterior lock/unlock from the driver's door only, as opposed to both front doors.
Central Locking on Series III cars: Change from the Lucas solenoid system to the Kiekert motorized system: 428715 (LHD cars) 429455 (RHD cars). These VIN breaks are earlier than I've seen elsewhere.
Cold start injectors deleted on V12 engines: 114474 XJS. 377726 Series III. The TSB mentions “except D-emissions cars” (?)
Fuel temp switch introduced Series III 6 cylinder: 356475 (NAS cars). 357310 (Aus). 364931 (all other). (Note: Jaguar also offered a retrofit kit for cars not built with the temp switch)
High Compression Engine Introduction 1980: XJS 104146 (RHD) 104235 (LHD). Series III 310613 (RHD) 310676 (LHD). Note that this isn't the “HE” engine. This is last iteration of the pre-HE V12; the oft-ballyhooed hot rod variant, only in production for a few months. For NAS cars the compression was increased to 9.0:1 and for other markets increased to 10.0:1
Revised Alignment Specifications: there must be at least a half dozen TSBs showing revisions. Maybe one day I'll try to sort them out and will post the result.
Cheers
DD
Last edited by Doug; 11-22-2020 at 10:06 AM. Reason: spelling
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#3
I found some rather large PDF's of the TSBs on someone's web site which included all models including XJ40's mixed in labeled as just XJ6 if I remember correctly. Has anyone ( including Jaguar ) ever made a edited down / complete list for each model ? I thought about trying it but have just too many projects going on right now.
Cheers,
Brian
Cheers,
Brian
#4
It's always interesting to see the differences of the Service Bulletins, Parts Bulletins and Informational Bulletins. My assumption is that the different types made it easier to distribute them to the correct departments, rather than just issue bulletins that everyone would have to sort out.
These binded ones are a lot easier to sort through and find info in, than having to sort through loose ring binders that the departments would put them in....
I've always been fascinated with the parts bulletins (wonder why ? )... Especially the supersession bulletins. They show that the same part could have a replaced number. I don't know if that was just a change in the way the parts were organized or if it were a way to date the parts.... But they seldom say whether the change was an actual change to the part, or just a change of the part number.......
Cheers
David
shop.EverydayXJ.com
#5
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