View Full Version : disco d30 vacuum lines
mcconnaughey
March 29th, 2003, 19:29
I just changed my front axle to a non-disco d30 an was wondering if the old vacuum lines on the chassis should be capped?
TIA,
mcconnaughey
FatXJ
March 30th, 2003, 12:28
Well yes I think they should be capped since you will still have vacuum coming through them. I have always wondered if a T connector with all three lines connected would still allow the 4X4 light to come on.
martin
March 31st, 2003, 11:28
You may want to look at the instructions for this cable disconnect. It tells you what you need to do since vacuum is no longer being used to lock & unlock the front axle. http://www.4x4posi-lok.com/jeep_page.html
HTH
Martin
satan
April 10th, 2003, 15:22
Yeah that's all nice and junk -- but it's far easier to get under there with a short length of hose and the engine at idle...
Shift the thing into 4wd and locate the tube that has vacuum -- now connect the short hose to the tube on the far end of the connector -- the dash 4x4 light should come on ! (if it doesn't try the other tube, it's been a while)... then CAP-OFF the qty=1 remaining tube.
You've restored the operation of your 4x4 light and don't have a vacuum leak ducted down to the UCA's body mount (not like THAT'D EVER get wet!)
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