I just redid the coolant lines in my daughter's XJR It was back breaking. I love a challenge, but I will tell you it would almost be easier pulling the engine and doing it.

I neglected to label the vacuum lines which broke upon removal (idiot) and am not sure if I replaced them correctly- does anyone have a diagram of how they go?

I now have them like this:

Vacuum line from top of supercharger teed off to fuel supply vacuum, then teed off again to the S/C bypass, then teed off again to the intake elbow and the valve on the bulkhead (vapor?)

I worked late and was tired, so that was a bad idea- I even crossed the coolant lines to the reservoir!

 

BUMP! ;o]P

 

Thanks!

 

OK- I THINK I have it figured out, so here you go for those who may need it in the future:
Fuel Pressure Regulation and Cruise Control Vacuum Feed-
The inlet vacuum feed for the fuel rail pressure regulator and the cruise control system is taken from the
supercharger outlet duct. The feed pipe is located below the large charge air cooler coolant filler plug. (ONE DIRECT CONNECTION, NO tee)

The intake elbow vacuum goes to a tee, which feeds the S/C bypass valve and the Emissions thingie on the bulkhead.

 

I am worried about you: need help on vac lines and plastic radiator hoses, but think REPLACING AN A DRUM is EASY!!! Sounds like me after Single Barrel Jack Daniels.

 

lol- sometimes it's the easiest of things that get me stumped. I should never work on a car with an empty stomach when tired.