Hose replacement tip?

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May 29, 2009 | 09:06 AM

Turftech

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Hose replacement tip?

I recently had to replace both the "octopus" and thermostat to coolant rail hoses on my '96 XJR 4 litre supercharged 6. I followed the standard approach by removing the intake manifold/intercooler to gain access. I have however found a method that, if the clamps are oriented correctly, might save a lot of effort! I have photo's up in the photo gallery showing the locations. https://www.jaguarforums.com/forum/a...hp?albumid=251 I have successfully removed the hoses without removing the manifold. One must remove the water pump and the fuel pressure regulator at the front of the fuel rail as well, but this is far easier than removing the manifold. The water pump can be removed by removing only the 8mm bolts (13 mill wrench head) and the gear clamp; thus not disturbing the water pump gasket. Removing and setting the alternator back a bit also helps, but is not absolutely necessary. Unfortunately, if the gear clamp is not oriented with the screw head up and away from the engine, this method may not work. I made sure it (the gear clamp) was oriented correctly for future removal. One could very carefully cut the clamp with a long Dremmel cutter if the screw is not easily accessible, but the correct orientation seems to be the most sensible way it would likely be installed.

Cheers! More tips to follow as I find them.

Last edited by Turftech; May 29, 2009 at 11:17 AM. Reason: added link to photo's

May 29, 2009 | 10:05 AM

Doug

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From: Pacific Northwest USA

Good thinking, and I'd like to see more pics.

I've been through the octous hose ordeal myself....I think I spent a full weekend on the job.
I'll add that, if you go the remove-the-manifold route, its a good idea to take a "while you're it" approach and tackle any other issues at the same time....like throttle body cleaning and hoses.

Good point about hose clamp orientation, not only for this particular job but for all others. I've installed clamps with lots of things removed from the engine only to realize that they would be totally inaccessible for future repairs!

One thing to be mindful of, though, if taking any shortcuts: Are the hose nipples accessible for cleaning before installing a new hose? Often they are heavily caked with that white, crusty corrosion which really should be cleaned before installing a new hose.

Cheers
DD

May 29, 2009 | 11:11 AM

Turftech

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Quote:

Originally Posted by Doug

Are the hose nipples accessible for cleaning before installing a new hose?

Cheers
DD

If you remove the fuel pressure regulator and the intercooler hose, one can just manage to wedge a hand in there to clean the rail barb. Naval jelly works best. Just don't get it on anything else! I will post some more pics later. As I said, I will also add more tips as I encounter them. Just getting used to using Gimp for editing photo's...

Cheers!