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#1 |
Registered User
Join Date: May 2007
Location: East Haven, CT
Posts: 882
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Valve seals and transmission slip
Got an 87 Silverado 2wd with a 305. The truck has almost 200,000 miles on it and is due for some work. It's been lacking power and having some transmission slippage. When I bought the truck, it always smoked on startup. I am now ready to actually fix this once and for all with valve seals.
I was told to buy the umbrella type seals since the factory o-ring type stink. What is needed for this job and are there any suggestions to keep parts from falling into the engine when I do this job? I will also be replacing the plugs after I do the seals. I never changed the plugs since I bought the truck 2 years ago, and who knows when they were changed before me. Plus with leaky valve seals, I bet they are shot. AC Delco recommended? When it gets cold, like it is now in New England, I notice the truck has some wierd shifting when I first start driving. It did this last fall/winter as well. It slips a bit. Once the truck warms up, it shifts better. Fluid is at proper level. Should I change filter or is this transmission considered junk? Last edited by chevymotocross; 10-29-2008 at 05:59 PM. |
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#2 |
Robert Olson Transport
![]() Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,287
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Re: Valve seals and transmission slip
why not have the heads done over and do it 100% right?
if your tranny fluid is cherry red and doesnt smell all burnt id drop the fluid and filter and change it.. . You dont specify what kid of trans you have but i have a th350 in mine and frankly when its cold out i have this problem with virtually every truck i own when its really cold... one of my trucks is under warranty and i was told by the dealer its normal... i wouldnt worry about the shift issue but id let the truck warm up some before driving after it cools down
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Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
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#3 | |
Registered User
Join Date: May 2007
Location: East Haven, CT
Posts: 882
|
Re: Valve seals and transmission slip
Quote:
I would like to have the heads done... but it's a wimpy 305 with 200,000 miles. Eventually, I will pull the engine and drop a 350 in it's place. For now, I just want to fix the smoke issue. |
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