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Hard plastic line (tube?) on TBI setup.

82355

82355

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Is there a source to buy a new tube that runs from the left valve cover (drivers side) up to the ring between the throttle body and the air cleaner? I can find the plastic tube from the PCV valve to the base of the throttle body. Thanks.

Martin
 
I just had this issue.

Hard tube with 2 little rubber sleeves to connect it?

I replaced with thick wall rubber vac hose. This is not a high vac scenario, so no real risk of collapsing a line. Any good rubber line will do it.
 
No, that is the line from the PCV valve to the base of the throttle body. Dorman sells that. It is not what I am talking about. I am talking about the one that goes in the opposite valve cover. It is a hard plastic line that has a 90 degree elbow in it. It slides into the valve cover grommet on one end, and into a rubber hose on the other end. The rubber hose then connects to the metal collar that sits between the throttle body and the air cleaner.

Martin
 
Martin,

We're talking about the same thing.

I reused the plastic 90's that were on mine (air cleaner end, and valve cover end), and replaced the plastic hard pipe and couplers with large vac hose. I hate bandaids, but this one fine.
 
It doesn't have two rubber connectors. One end slides into the actual grommet, not a rubber hose.

Martin
 
Here I noticed in several parts houses they sell that hard line in almost like a coil, and several styles of "ends", be it 90s, T's, weird little doo daas, kinda like a make your own spark plug wire thing. Might give that a shot.
 
You are talking the crankcase breather, no?

I've wondered about the hard plastic lines...GM used them for a variety of applications in different sizes (cruise, EGR, ETC) and thus far I've not had to replace any, but come time, I'm not sure where to source them. IIRC you can heat them up a bit and bend it without collapsing. I would certainly expect it to be sold somewhere in as "you bend it" stuff, but I've not seen any, nor have I looked hard.

If you find source(s), let us know.
 
Yes.

You can see in this picture that it doesn't have a rubber connector at the valve core, it slides into the grommet in the valve cover. This was the "least" broken one I could find out of four different engines I had.



Martin
 
82355 said:
Yes.

You can see in this picture that it doesn't have a rubber connector at the valve core, it slides into the grommet in the valve cover. This was the "least" broken one I could find out of four different engines I had.

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Martin
Click to expand...

You win with that photo. I replaced the soft line part on mine with vac hose.
 
Any particular reason you are set on the hard stuff?

IMO it is better than rubber as it doesn't seem to age the same, but FWIW on my TPI setup (breather on passenger valve cover) GM used a formed soft rubber hose instead of the hard plastic. Other than aesthetics and how long it will last comparatively, I don't see any reason plain rubber hose wouldn't work.
 
I just want the factory part. I'll cobble it together if I have to (it currently is), but I find these broken all the time. I am surprised Dorman doesn't make it.

Martin
 
Have you checked GM sources?

Don't have my catalog right here, but it should be in there if you want me to see if it's still available from the online GM vendors.
 
The local GM dealer said it was a non available part with no part number. He could have been full of **** though.

Martin
 
My experience is, most of them are lol. Honestly at this age most of the parts AREN'T available through GM, but wouldn't that piece have probably been the same up to 1995?

I can check to see if I can find the part number tonight.
 
It is just slightly different. I have one not broken off a 1994.

Martin
 
i have one that is on a van looks the same. if you pm me your address ill ship it
 
L03 and L05 share the same piece for '87-88 at least, the part number is (or was) 14102076. I wouldn't hold my breath typing that into gmpartsdirect.com or google, but who knows?
 
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