UIM/LIM Gasket change - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 06-06-2010, 04:59 PM   #11
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Here'* the one I'd pick up DORMAN Part # 615180
And LIM'* either with a T on the end of the part number (aluminum fel pro) or dealership/intense
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Old 06-06-2010, 07:20 PM   #12
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Well that helps a lot! I will get these things ordered. Thanks
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Old 06-16-2010, 10:26 PM   #13
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Well guys I got all my parts here now and am ready to do this new UIM and the LIM gaskets. Got the intake kit fron RockAuto and the lower gasket set from Intense as ya'll suggested : )

My question is since I have a noisy lifter on the firewall bank of cylinders, would it be best to pull that valve cover now before tearing everything down and see where the noise is coming from? It only became noisy right before I quit running it. I drove it about 10 miles home and the noise quit for awhile but then came back.

Since I knew it was consuming some anti freeze for awhile now, I decided to change everything out. I have read a lot of posts associated with the UIM and LIM gaskets and wonder if I may have hydrolocked the motor and bent a pushrod or something??? Anyways I appreciate any and all help.


Dave
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Old 06-16-2010, 10:30 PM   #14
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The back bank is a real pain. Doing it when you have the whole top end off makes it much easier. At that time you can check the rockers to see if one is loose, and that could indicate a bend push rod.
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Old 06-17-2010, 07:22 AM   #15
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If you are going in for lifters, you are going to need more parts. A set of reusable rocker bolts and valve cover gasket.
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Old 06-17-2010, 09:41 AM   #16
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Quote:
Originally Posted by BillBoost37 View Post
If you are going in for lifters, you are going to need more parts. A set of reusable rocker bolts and valve cover gasket.


OK, thanks for the input guys! I did order the valve cover gaskets but no reusable rocker bolts. Do you adjust the lifters like on a sbc? I will have to do a search when I get home from work. Thanks again.


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Old 06-17-2010, 09:44 AM   #17
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If you need a set of reusable rocker bolts, I have about 5 more sets laying around. Could flip a set at you for $15 shipped priority mail.

Reusable rocker bolts are torqued to 25ft lbs and there is no adjustment for our valves. A nice, easy job of installing and torquing once.
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Old 06-17-2010, 06:13 PM   #18
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Quote:
Originally Posted by BillBoost37 View Post
If you need a set of reusable rocker bolts, I have about 5 more sets laying around. Could flip a set at you for $15 shipped priority mail.

Reusable rocker bolts are torqued to 25ft lbs and there is no adjustment for our valves. A nice, easy job of installing and torquing once.

Sounds like a great deal. Can I Paypal you?
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Old 06-18-2010, 08:31 AM   #19
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Replied to pm and going down to pack a set of bolts into a bubble pack envelope.
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Old 06-20-2010, 12:04 AM   #20
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Hey guys, just an update and question. Got the UIM amd LIM removed as per the directions I found in the tech section, gotta say that section is mighty handy!

Next I need to remove the rear valve cover and inspect everything for the clackity clack I was hearing from in there. I am guessing I will remove the rocker arm bolts, inspect each rocker arm, each pushrod for damage and straightness, then how do you remove the lifters on these things? Do they pump up ? Are they hydraulic roller ? I don't have a clue, just want to know what to look for. Thanks guys!

PS Is there a torque setting guide in here somewhere?

Dave

Last edited by novapwr; 06-20-2010 at 12:05 AM.
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