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Cleaning UIM/LIM : dirty pictures enclosed

Or Goonz, or... LOTS of people.

I remember last spring there was a span of like 4 weeks were there was like 12 or so members having problems with the rebuild...



i guess they couldn't read the instruction in the how to that well ... i watched it be done once and with the how to in hand I did it with out any issue ...

but then again maybe some people are not that mechanically inclided and should do things that are beyond them :shrug:
 
I didn't screw anything up.
The how-to is very specific so if you follow it carefully it should go smoothly for you.
 
This was the first thing i ever did on my old SE.....didn't screw it up. I've done 5 of them since with no problems either. If you take your time there is no reason you can't do this without complications.

~Josh
 
YAY! :D The how-to helps people! YIPPEE!

Seriously, though, it is nice to know that it is specific enough, yet not overly technical to help beginners out!
 
YAY! :D The how-to helps people! YIPPEE!

Seriously, though, it is nice to know that it is specific enough, yet not overly technical to help beginners out!

The how-to is great.

Those of you who are hesitant to do this, don't be afraid. You have the how-to and the CEG to you help if you run into something.
Gather the parts you'll need and go for it.

Once you get it all back together you will be confident enough to tackle more fixes/mods by yourself.
 
I took 2 days to do mine, moving nice and slow. One day to remove stuff and clean, the next day I put it back together. That allowed all the Berryman's to dry. The only issues I had were that I needed to put in new plugs after, the cleaning screwed up the ones that were in there. Other than that, it wan't too bad. It's also the kind of thing that makes more sense when you're doing it, vs. just trying to read the how-to. Ray's how-to is great, but once you begin it will be even easier than it sounds as you read it.
 
And? That really changes things. :help::crazy:

hey hey1!! we did nothing wrong, I should remind you that my problem was the wrong wiring sequence which Tony messed up, I was the one that figured it out...when it was too late..lol..other then that everything went flawless. All new gaskets, net gromets for the IMRC..magnecore wires and all that good stuff..the horrible 5min test drive with the wrong wiring sequence completely obliterated my already clogged pre-cats and main cat..gave me a great excuse to get the clearence priced WR headers..


todd you jack@ss
 
hey hey1!! we did nothing wrong, I should remind you that my problem was the wrong wiring sequence which Tony messed up, I was the one that figured it out

Yeah yeah yeah! I drive over 250 miles to help your ass out, work on the car till 12:30 AM half asleep, drive home in a crazy arse thunderstorm, get pulled over twice by the same M*sshole state cop on the way home at friggin' 2:00 AM, and that's the thanks I get? :bah:

Anyways, like others said, it's not hard to do at all. The first time doing it might seem a little overwhelming but once you get going and get everything apart, putting it back together is cake.

I'll be doing mine again in the spring I think. It's been about 1 1/2 years since my engine swap when I cleaned the UIM/LIM.
 
Yeah yeah yeah! I drive over 250 miles to help your ass out, work on the car till 12:30 AM half asleep, drive home in a crazy arse thunderstorm, get pulled over twice by the same M*sshole state cop on the way home at friggin' 2:00 AM, and that's the thanks I get? :bah:

Anyways, like others said, it's not hard to do at all. The first time doing it might seem a little overwhelming but once you get going and get everything apart, putting it back together is cake.

I'll be doing mine again in the spring I think. It's been about 1 1/2 years since my engine swap when I cleaned the UIM/LIM.

do I really have to thank you??? It should be known :laugh:
 
Its pretty much gaurnteed that your going to screw something up the first time you do it

I also disagree with this statement 100%. Unless things like changing the oil are difficult for you, there is no reason you cant do it mistake free.

Ive done it on two different cars and have had 0 issues.
 
Or Goonz, or... LOTS of people.

I remember last spring there was a span of like 4 weeks were there was like 12 or so members having problems with the rebuild...
Sometimes things happen through no fault of their own. :eek:

Two weeks ago, I had my car up on jack stand and ramps for a week because one bolt wouldn't come loose and I fell really ill (while doing the engine/tranny to driver fender mount). A CEGer has posted that it only took him half an hour once he got the (IIRC) the battery and tray out of the way. He probably had power tools. :shrug:
 
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Just did mine for the 2nd time this last weekend (hit 120K miles).

This time, I followed the guide to the letter and ordered ALL new gaskets, seals, injector o-rings, fuel pressure regulator, engine coolant temp sender (for dash reading)....the works. The only thing I didn't order that I wish I had was a new set of vacuum hoses. Mine were fine as it turns out, but as long as I'm in there doing spring cleaning, I should have.

Spent Sat. pulling stuff out and cleaning, and Sun. putting it all back together. No problems. About ~5 hrs Sat. and ~3hrs Sun.

Ran into two snags: one of which I think needs to be noted in the Guide(#2)
1) Broke the vacuum hose going from the the vacuum pod thingy that pulls the secondaries open to the little valve-majiger at the other end. Ended up getting some rubber vacuum hose at the auto store to use as a connector for the two ends. Worked perfect and is a tight enough fit that I have no doubts about it staying put. No indication of a vacuum leak.

2) After getting everything together, I started it up the first time. It was HARD to start! Had to crank it a LOT...even with multiple fuel pump primings. Started to back out of the garage and noticed a huge puddle of something liquid. Got out and noticed it was gas. Pulled back in and proceeded to pull the UIM off again. Got the wife to prime the pump as I watched. Turns out it was coming out of the new fuel pressure regulator.
I took off the regulator and compared it to the original. HERE'S where the guide needs to be amended.
The new regulator didn't have the three washers on it. It didn't have them because I didn't order them.....because it was not mentioned in the guide.
Anyway, pulled the old washers off the original regulator (no choice) and put them on and proceeded to put everything back together again.

Started much faster this time and no more leaking fuel. Car is running much better now. The acceleration stumble appears to be 99% gone. The cold engine MASSIVE bogging is gone for the most part. Still slightly there but is greatly decreased and goes away MUCH quicker (engine warmup).
I also performed the recommended alteration of causing the secondaries to stay slightly open during non-secondary usage. We'll see how that goes.

To try and address the last bit of non-perfect running, I'm going to check the gapping on the plugs this weekend. Otherwise, I'm a happy camper and look forward to not having to do this again for another 60K mi.
 
and bringing back a old thread...

for the UIM did everyone just let B12 sit in it over night or did you stick something through the ports to clean the UIM? thanks guys.
 
and bringing back a old thread...

for the UIM did everyone just let B12 sit in it over night or did you stick something through the ports to clean the UIM? thanks guys.

Just clean out the ports and everything you can reach near the throttle body. I used my pressure washer to push anything else out. Also make sure you get the EGR pathway, mine was pretty dirty.
 
I tried doing some searching and didn't find it. Can someone link me to that how-to for cleaning the UIM/LIM?
 
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