jeep stuff Posted January 30, 2010 Share Posted January 30, 2010 does anyone have a vacume diagram i found a few broken vacume lines and want to know were they go ill post pics in a min this is the pump behind my front bumber there are only hoses on one side is that right? http://co105w.col105.mail.live.com/mail/SafeRedirect.aspx?hm__tg=http://65.55.33.167/att/GetAttachment.aspx&hm__qs=file%3dd3925cce-30f1-4c8e-8880-6c8963e7a080.jpeg%26ct%3daW1hZ2UvanBlZw_3d_3d%26name%3dSU1HMDAxMTEuanBlZw_3d_3d%26inline%3d1%26rfc%3d0%26empty%3dFalse%26imgsrc%3dcid%253a590%26msgHash%3dffffffffffffffff&oneredir=1&ip=10.12.136.8&d=d3868&mf=0&a=01_b20b05776c2bd9b20d647bbf8d0084df3d3b914a427f95eda05c9c993289a439 this is were one of the hoses from that pump is and the blue one goes back to the tranny do they need to be plugged in somewere my 4x4 don't work and i can't change my heat in the cab its on or in the vent setting thats all that works http://co105w.col105.mail.live.com/mail/SafeRedirect.aspx?hm__tg=http://65.55.33.167/att/GetAttachment.aspx&hm__qs=file%3d73d25582-0741-4db1-bc1d-1874e8d40da5.jpeg%26ct%3daW1hZ2UvanBlZw_3d_3d%26name%3dSU1HMDAxMTIuanBlZw_3d_3d%26inline%3d1%26rfc%3d0%26empty%3dFalse%26imgsrc%3dcid%253a90%26msgHash%3dffffffffffffffff&oneredir=1&ip=10.12.136.8&d=d3868&mf=0&a=01_b20b05776c2bd9b20d647bbf8d0084df3d3b914a427f95eda05c9c993289a439 Link to comment Share on other sites More sharing options...
Pete M Posted January 31, 2010 Share Posted January 31, 2010 sorry, but I don't see anything in those links. :dunno: Link to comment Share on other sites More sharing options...
fiatslug87 Posted January 31, 2010 Share Posted January 31, 2010 Can't see anything either. Here are diagrams from the 1990 FSM. You didn't state the year or engine size. Link to comment Share on other sites More sharing options...
jeep stuff Posted January 31, 2010 Author Share Posted January 31, 2010 its an 86 2.5l thats the same as the book i have but there is a pump that is in my front bumper and its not hooked up can't figure out were they go and my pics won't upload Link to comment Share on other sites More sharing options...
jeep stuff Posted January 31, 2010 Author Share Posted January 31, 2010 Link to comment Share on other sites More sharing options...
fiatslug87 Posted January 31, 2010 Share Posted January 31, 2010 That is a vacuum reservoir (for cruise control models), not a pump. This is all I can find, it's from the '86/'87 parts catalog. I'm sure someone else with cruise control can help you out, come on guys. Maybe if you post specifically for cruise control people will chime in. Link to comment Share on other sites More sharing options...
jeep stuff Posted January 31, 2010 Author Share Posted January 31, 2010 i don't have cruise control tho Link to comment Share on other sites More sharing options...
jeep stuff Posted January 31, 2010 Author Share Posted January 31, 2010 my 4x4 isnt getting vacume and my heat won't change becouse it have no vacume and someone told me it was becouse of that pump in my bumber and its got a small line going into the cab and the other one does nothing but i looks like it was hooked up to something Link to comment Share on other sites More sharing options...
JACKED88 Posted February 1, 2010 Share Posted February 1, 2010 I've always thought of that as a vac "bank" so to speak. Knowing that motors loose vac while under hard exceleration and high rpm's, It hold/saves enough vac inside of it so everything thats vac controlled doesnt loose vac while under hard exceleration and or at high rpm's. Link to comment Share on other sites More sharing options...
jeep stuff Posted February 2, 2010 Author Share Posted February 2, 2010 maybe it is its just that those hoses arnt plugged into anything and the black hose in that pic goes to that pump and looks like it came off something becouse of the dirt marks on it I'm just wondering if anyone else with an 86 2.5L can tell me if they plug into anything Link to comment Share on other sites More sharing options...
comanche09 Posted February 2, 2010 Share Posted February 2, 2010 On my 88 4.0L the only vac lines I have are MAP to TB, Intake Manifold to FPR, and Intake Manifold to Vac Ball and HVAC. :yes: Did away with the rest. EDIT: And the brake booster of course. No emissions where I live and not my DD. Global warming....HA Link to comment Share on other sites More sharing options...
jeep stuff Posted February 2, 2010 Author Share Posted February 2, 2010 thanks what about the blue hose tho Link to comment Share on other sites More sharing options...
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