I'm moving along at a snail's pace on an engine re-install ...

I need confirmation of a vacuum line location before I re-install the UIM.
The line connects on the LIM in between the LIM + engine block.
I curently have it connected to rat's nest solenoid #1 on the C port facing the LIM.
The vacuum hose diagram is great, but that line happens to be one of the tougher ones to identify connection wise. I had it labelled, but some tape labels have come off from handling, or sticking to other labels I guess.
I've highlighted the vacuum line in question using yellow arrows in the 1st pic, and colored it yellow in the vacuum diagram pic.

I wan't to avoid mistakes that involve partial disassembly at all costs.

Thanks to anyone who's re-installed an OEM LIM, that knows for sure.

Also .. is there a good product for removing white aluminum oxide on LIM + UIM ? ... or do I just use a nylon bristle brush ?

 

That is the line for the fuel pressure regulator (the source) so it should go to the solenoid with the orange plug. From the solenoid it goes to the fuel pressure regulator vacuum port on the end of the secondary fuel rail.

Easy way to get the white corrosion off of aluminum is using a steel brush. I have a large one designed to clean up metal before welding, they are cheap and commonly available. Works wonders on cast aluminum.

Dale

 

Thanks for you help Dale.

Your answer brings up other questions ...

Where does the vacuum line from vertical #1B solenoid hose barb go to in that case ?
Please see attached highlighted vacuum hose in diagram.

On my 1993, the vacuum line from the vertical #1 B solenoid hose barb went to the fuel pressure control on the firewall end of the UIM. The line was 10" long and crispy so it had been there awhile and would have been connected elswhere for awhile.
Maybe the car never ran right ? I've never seen it run.

Where does the other end of that lower middle LIM hose route to ?
The vertical #1 B solenoid hose barb ? or somewhere else ?

Thanks

Other questions have come up relating to engine mounts...
The driver's side one on mine has an aluminum arm and what looks like a delrin
shock absorber. Is that a later OEM mount or aftermarket ?

The turbo side one has a cast iron arm and soft rubber outer casing.
I'm not sure if there is delrin under the rubber.
The outer rubber sleeve is beginning to come off at yellow arrows in attached pic.
Apologies for the underexposed pic.

Is this cause for replacing that mount, or should it survive another 40k-50k miles ?

Thanks

 

the yellow line you have highlighted in both of your posts are the same line. the path it takes is

LIM----solenoid----fuel pressure regulator

the solenoid acts a bridge between the lim and fpr so the hose will run from the lim to the horizontal nipple on the solenoid then another hose will run from the vertical nipple on the solenoid to the fpr.

as for your mounts, i cant really tell what that is coming out but if you have the mounts out then i would suggest replacing them just because. i have the IRP mounts
Polyurethane Motor Mounts | IRPerformance

 

Thanks , much appreciated.