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#26 | |
Senior Member
![]() Join Date: Jan 2001
Location: Orem, Utah
Posts: 7,910
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Re: Help - Found something in my oil pan
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#27 |
Registered User
Join Date: Jun 2014
Location: Glendale, Arizna
Posts: 1,642
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Re: Help - Found something in my oil pan
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#28 |
Registered User
![]() Join Date: Feb 2003
Location: Marshfield, MO
Posts: 355
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Re: Help - Found something in my oil pan
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#29 | |||
Registered User
![]() Join Date: Feb 2003
Location: Marshfield, MO
Posts: 355
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Re: Help - Found something in my oil pan
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#30 |
Registered User
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Location: Marshfield, MO
Posts: 355
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Re: Help - Found something in my oil pan
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#31 |
Registered User
Join Date: Jul 2010
Location: MD
Posts: 1,937
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Re: Help - Found something in my oil pan
Good call replacing the rear main seal while in there. They can easily be installed backwards so be sure the lip is installed facing front of the engine. Oil pressure exerts against the lip forcing it to seal. Also apply a thin layer of RTV between cap and block as shown in this GM service manual. Some attention to detail and you will be seep free for some time to come.
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1969 c-10 Step Side Long Bed. I-6 250cid = ![]() |
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#32 |
Registered User
Join Date: Feb 2012
Location: Ruskin Florida
Posts: 4,560
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Re: Help - Found something in my oil pan
On the rear main seal you don't want to put the seal halves flush with the block. Leave one side about an eight of an inch out of the block. Then apply the sealant and the cap. That way the break in the 2 piece seal is not right in front of the break in the main cap. Seal will be clocked just a bit. It seals better this way.
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70 swb 4x4 406sbc 700r4 203/205 d60/14blt locker yadda yadda http://67-72chevytrucks.com/vboard/s...88#post6935688 Yeller 72 Blazer 2wd conversion project "No Daggum Money" http://67-72chevytrucks.com/vboard/s...d.php?t=550804 LS1-T56 3.73 LSD super budget build Blanco-2014 Sierra SWB https://67-72chevytrucks.com/vboard/...d.php?t=810350 |
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#33 |
Registered User
![]() Join Date: Feb 2003
Location: Marshfield, MO
Posts: 355
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Re: Help - Found something in my oil pan
The teeth look like they are from a timing gear, but luckily not this one. The current timing gears are not missing any teeth. Looks like the leftovers from a past timing gear replacement.
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#34 |
Registered User
Join Date: Feb 2012
Location: Ruskin Florida
Posts: 4,560
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Re: Help - Found something in my oil pan
Yup-that's been replaced along the way. I would still check the pickup for further debris!
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70 swb 4x4 406sbc 700r4 203/205 d60/14blt locker yadda yadda http://67-72chevytrucks.com/vboard/s...88#post6935688 Yeller 72 Blazer 2wd conversion project "No Daggum Money" http://67-72chevytrucks.com/vboard/s...d.php?t=550804 LS1-T56 3.73 LSD super budget build Blanco-2014 Sierra SWB https://67-72chevytrucks.com/vboard/...d.php?t=810350 |
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#35 | |
Registered User
Join Date: Jan 2015
Location: Salinas
Posts: 65
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Re: Help - Found something in my oil pan
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#36 |
Registered User
Join Date: Jul 2010
Location: MD
Posts: 1,937
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Re: Help - Found something in my oil pan
Good to see yours are not the cause. Would this be a good time to point out
that those are actually sprockets and not gears? Maybe not. ![]() |
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#37 |
Registered User
Join Date: Oct 2007
Location: Spanaway
Posts: 8,451
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Re: Help - Found something in my oil pan
Did you check the timing cover yet to see if they bent the lower flanges to get the cover off and on?
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Mike. Swamp Rat build thread : http://67-72chevytrucks.com/vboard/s...d.php?t=595019 72 3/4T 4X4 4" BDS Lift 33" BFG's |
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#38 |
Registered User
Join Date: Dec 2013
Location: Humble, Texas
Posts: 185
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Re: Help - Found something in my oil pan
I have seen chains so loose that they wore a hole through the front cover. Since your fixing leaks and have the cover off. Check the inside of the cover for wear marks/holes from the chain rubbing on the passenger/slack side. Buddy
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I know the "VOICES" aren't real but they have some great ideas. 1978 GMC Sierra Classic C25 1983 Datsun 280ZX Turbo 1997 Chevy Cheyenne K2500 1999 Polaris Sport 400 |
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#39 |
Registered User
![]() Join Date: Feb 2003
Location: Marshfield, MO
Posts: 355
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Re: Help - Found something in my oil pan
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#40 |
Registered User
![]() Join Date: Feb 2003
Location: Marshfield, MO
Posts: 355
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Re: Help - Found something in my oil pan
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#41 |
Registered User
Join Date: Jun 2010
Location: San Diego Co.
Posts: 1,162
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Re: Help - Found something in my oil pan
sub'd
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1972 Chevy C-10, SWB, Fleet, 350/350, PS, PB, HEI, mostly stock, Survivor. ![]() |
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#42 | |
Registered User
Join Date: Jul 2010
Location: MD
Posts: 1,937
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Re: Help - Found something in my oil pan
Quote:
Hate to admit it, I have gooped up a couple timing covers after bending over the inner lip to get it back on. People don't like to think about dropping the pan after replacing those stupid nylon tooth timing sets when they break. ![]() |
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#43 |
Registered User
Join Date: Jun 2014
Location: Glendale, Arizna
Posts: 1,642
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Re: Help - Found something in my oil pan
You can get a nice, new timing cover really cheap. Cheaper at Summit but you would have to wait almost a month. You MIGHT have to stack some water pump gaskets to keep the water pump from touching, but that would not stop me. It's a good, heavy cover.
http://www.jegs.com/i/Milodon/697/65502/10002/-1 |
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#44 |
Registered User
Join Date: Jun 2014
Location: Glendale, Arizna
Posts: 1,642
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Re: Help - Found something in my oil pan
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#45 |
Registered User
![]() Join Date: Feb 2003
Location: Marshfield, MO
Posts: 355
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Re: Help - Found something in my oil pan
Bottom of the timing chain cover is a bit gobbered up and the inside has scratches on the right side (pass)
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#46 | |
Registered User
Join Date: Jun 2014
Location: Glendale, Arizna
Posts: 1,642
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Re: Help - Found something in my oil pan
Quote:
I like to put a thin smear of silicone between a chrome cover and the gasket with nothing on the engine side of the gasket, but I like to bolt it on ahead of time and tighten the bolts just enough to squeeze the silicone out of the sides then give it time to cure. You can then remove and put a thin smear of hylomar or brush on copper-coat on the engine side of the gasket (or nothing if it's a new cover) before tightening to specs. If in a hurry, use copper-coat spray on both sides, let it dry (does not take long especially in the sun). This works best on a new cover that has never been distorted or straightened. Do not over-torque. |
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#47 |
Moderator
![]() Join Date: May 2007
Location: Southern Cal
Posts: 20,005
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Re: Help - Found something in my oil pan
If you use a chrome cover, scuff the mounting surface with some fine grit sand paper. It will make all the difference in the world getting it to seal up.
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1972 C/10 Cheyenne Super SWB. Restored, loaded, slammed. 1968 C/10 50th Anniversary LWB. Unrestored, stock, daily driver/work truck. RIP ElJay RIP 67ChevyRedneck RIP Grumpy Old Man |
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#48 |
Registered User
![]() Join Date: Feb 2003
Location: Marshfield, MO
Posts: 355
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Re: Help - Found something in my oil pan
I have a Milodon timing cover and oil pan - my pan looks like it was on a rock cllmber.
Since the cover is new and not chrome do I use gasket sealer? I have a one piece (thick front seal) Felpro oil pan gasket do I use gasket sealer? |
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#49 | |
Registered User
Join Date: Jun 2014
Location: Glendale, Arizna
Posts: 1,642
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Re: Help - Found something in my oil pan
Quote:
I just like spray copper coat LOL. It also acts as a preservative. |
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#50 |
Registered User
Join Date: Jul 2010
Location: MD
Posts: 1,937
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Re: Help - Found something in my oil pan
Look for a wear groove on the balancer. If so you will need a speedi-sleeve.
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