R50/53 Missing tube... but what is it?
#1
Missing tube... but what is it?
So, starting to do some work on the R53's in our garage. Mine is pretty okay, and will hopefully go in for front end body work and paint this summer: Hood has a ding, new front bumper, and get the rust issues on the doors. Will do the back half probably next year. Mine is in pretty good shape.
The PW R53 my wife picked up last year is a different story. Very little rust, but it's been wrenched on by some folks who maybe shouldn't have been. I've found cut vacuum lines, stuff disconnected, all sorts of seals that needed replacing - that little car has had a tough life, but it's on the mend. Did the S/C service last year, new jamb gasket, plugs, more typical things that needed to be done. But, it's still been throwing some codes related to the vapor recovery system and a P1498 code (the service engine light does come on from time to time). So I checked the intercooler gaskets, and the vapor and vacuum hoses one more time and under the left side intake horn, on the underside of the intake manifold I found a tubing connector with no tube plugged in to it. It's tough to even see because you have to hold other hoses for the vapor recovery system up and out of the way, and I put an arrow next to it in the image below pointing to the connector with no hose on it.
On mine, there is a tube/hose attached with a quite thin, flexible tube coming off of it and extending downward toward the block. I can't find info on this connector or what goes to it looking on real OEM or in my service manual. Anyone know what tube attaches to that connector?
Thanks!
The PW R53 my wife picked up last year is a different story. Very little rust, but it's been wrenched on by some folks who maybe shouldn't have been. I've found cut vacuum lines, stuff disconnected, all sorts of seals that needed replacing - that little car has had a tough life, but it's on the mend. Did the S/C service last year, new jamb gasket, plugs, more typical things that needed to be done. But, it's still been throwing some codes related to the vapor recovery system and a P1498 code (the service engine light does come on from time to time). So I checked the intercooler gaskets, and the vapor and vacuum hoses one more time and under the left side intake horn, on the underside of the intake manifold I found a tubing connector with no tube plugged in to it. It's tough to even see because you have to hold other hoses for the vapor recovery system up and out of the way, and I put an arrow next to it in the image below pointing to the connector with no hose on it.
On mine, there is a tube/hose attached with a quite thin, flexible tube coming off of it and extending downward toward the block. I can't find info on this connector or what goes to it looking on real OEM or in my service manual. Anyone know what tube attaches to that connector?
Thanks!
The following users liked this post:
jcolletteiii (04-04-2022)
#3
Yes, the above post is probably it.
Vacuum Line that runs from the intake manifold to the fuel regulator.
IT NEEDS TO BE THERE or at least connected somewhere to a vacuum source.
With it not connected (and sealing properly on both ends) not only will you have a vacuum leak, but a leak that effects fuel flow and a create a lean out condition under heavy load or throttle, esp at high RPM.
Vacuum Line that runs from the intake manifold to the fuel regulator.
IT NEEDS TO BE THERE or at least connected somewhere to a vacuum source.
With it not connected (and sealing properly on both ends) not only will you have a vacuum leak, but a leak that effects fuel flow and a create a lean out condition under heavy load or throttle, esp at high RPM.
The following 2 users liked this post by BlwnAway:
jcolletteiii (04-04-2022),
ssoliman (04-06-2022)
#5
It was disconnected and down wedged in there under the manifold. After 20 minutes of fishing, I got it out, after another 20 minutes of fishing, got both ends reconnected, and the 0455 and1498 codes are now gone after a 30 minute test ride. Still getting the fuel cap filler light coming on - I think that is just related to grunge and oxidation around the filler neck as I have replaced the seal - but no code. Thanks for the advice! Now to tackle the control arm bushings - hers are absolutely shot. Mine are still pretty good, but will replace mine after I get hers done. Will work on those this weekend I suppose. Going to try the sawzall method.
Thanks again!
Thanks again!
The following users liked this post:
ssoliman (04-06-2022)
#7
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