Author Topic: IP leaks bad,replacement has an extra feature, what is it??  (Read 3015 times)

April 15, 2006, 02:38:33 pm

masterbeavis

  • Junior

  • Offline
  • **

  • 88
IP leaks bad,replacement has an extra feature, what is it??
« on: April 15, 2006, 02:38:33 pm »
My IP leaks like a seive out of the front seal.  It is in an '81 caddy.  I purchased an IP out of an '84 rabbit.  I thought IP's were the same but odviously I was wrong.  As you look at the front of the pump, on the upper left hand side there is a small arm on the side that is not present on my current pump.(second pic)  What does it do, and is it essential to the running of the pump?






81 Caddy Diesel, 84 Jetta Diesel, 98 Jetta GLS, 99 Jetta GLX,, 95 Golf.

Reply #1April 15, 2006, 07:21:06 pm

hillfolk'r

  • Veteran

  • Offline
  • ***

  • 1532
IP leaks bad,replacement has an extra feature, what is it??
« Reply #1 on: April 15, 2006, 07:21:06 pm »
um i think you have a later model pump,with the idle speed boost,,like an a2,,,has the "detents" in the cold start cable for advance,and idle boost,,thats that linkage on yours,,,,,,itll work fine,,butits missing a linkage rod that extends from that upper piece circled,see the bent tab? thats where it hooks there,,down low,,,,,ican see the link in the pic,,its sorta laying on the valve cover,,,,,,that hooks up on the top bent piece i described,,,,,,that piece adjusts the idle speed,it had like a 6mm hex on top,,,,,,,, its broken,the link,,,iwould think it woulsd mess up the idle,inless you can rig it to stay or somethin,,someone will have an idea,and post,,,,,,,,,,
Throttle cables ftw

Reply #2April 15, 2006, 07:37:46 pm

RabbitJockey

  • Veteran

  • Offline
  • ***

  • 5104
  • Personal Text
    America, DUCK YEAH!!!
IP leaks bad,replacement has an extra feature, what is it??
« Reply #2 on: April 15, 2006, 07:37:46 pm »
i've seen weird stuff like that before on pumps,  could have something to do with an automatic diesel, but who knows.
01 Jetta TDI 100% stock daily
81 Rabbit:TDI-M ported head, Frank06 cam, PD intake, hybrid T3 turbo, Renault intercooler, Syl20 11mm pump, light weight fw, and yellow California Clutch clutch kit

Reply #3April 15, 2006, 08:44:58 pm

ajt3nc

  • Guest
IP leaks bad,replacement has an extra feature, what is it??
« Reply #3 on: April 15, 2006, 08:44:58 pm »
Cold start switch, I think.

Reply #4April 16, 2006, 06:48:09 am

JsAudi_DK

  • Newbie

  • Offline
  • *

  • 1
IP leaks bad,replacement has an extra feature, what is it??
« Reply #4 on: April 16, 2006, 06:48:09 am »
Maybe this picture will help!

Reply #5April 16, 2006, 09:01:44 am

hillfolk'r

  • Veteran

  • Offline
  • ***

  • 1532
IP leaks bad,replacement has an extra feature, what is it??
« Reply #5 on: April 16, 2006, 09:01:44 am »
yea thats what i thought,he is  missing that link,,that pic helped,,,,,dunno about you,but ive swapped a later pumplike that onto a1 cars,,,they run better,,not sureif different advance curve,or what,but these on a1's run great,no prob keepin up on hiway speeds,and some of the steepest hills,it would hold speed,or accelerate a little still,,not slowdown,,,,,,,,,,,,soget that link fixed and run it!!!!!!!
Throttle cables ftw

Reply #6April 16, 2006, 11:30:04 am

Cheesetoast

  • Veteran

  • Offline
  • ***

  • 285
IP leaks bad,replacement has an extra feature, what is it??
« Reply #6 on: April 16, 2006, 11:30:04 am »
i've experimented with mine a bit, my pump has that same peice, 1.9td, aaz.  it is hooked to the cold start cable on mine, as well as a vacumme diaphram, i'll post pics later.

Reply #7April 16, 2006, 01:26:47 pm

masterbeavis

  • Junior

  • Offline
  • **

  • 88
IP leaks bad,replacement has an extra feature, what is it??
« Reply #7 on: April 16, 2006, 01:26:47 pm »
Anybody know of where I can purchase a replacement arm with the nescessary plastic arm and spring?  I will start checking out junkyards, but I dont want to rob a possibly usefull pump for one part, making it unuseable for others...
81 Caddy Diesel, 84 Jetta Diesel, 98 Jetta GLS, 99 Jetta GLX,, 95 Golf.

Reply #8April 16, 2006, 04:23:06 pm

Cheesetoast

  • Veteran

  • Offline
  • ***

  • 285
IP leaks bad,replacement has an extra feature, what is it??
« Reply #8 on: April 16, 2006, 04:23:06 pm »
adjusting hte upper peice, which is hooked to a vacumme valve, adjusts how high the idle is at hot and cold temps.   left screw is cold idle setting, right screw is warm idle setting.