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#1 |
Registered User
Join Date: Apr 2003
Location: NB
Posts: 3,367
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trany oil help
Hey guys
hard to think today. My buddy (sargentjones) just left me his truck. He has gone to the gold rush in Alberta to make the big bucks in the oil sands. ( Sand Blasting trucks for $3600/ WEEK) I just need to know what fluid to put in his tranny What fluid?? gear oil? It is a 73 C10 with a 350 and 4 speed sagnal. His reverse is not working so well. It jerks and rocks in reverse. So hopefully it just needs an oil flush. I didn't see a drain bolt like the muncie's. It looks like a pan you have to take off. with a gasket... It has the fill check bolt. Any help would be great. ![]()
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1968 Chevy C10 307 3ott fleetside 1967 Chevy C/10 V8, 3spd, fleetside lwb.Sold 1967 Chev C/10 step, 383, M21. SOLD |
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#2 |
Licensed to Thrill!
Join Date: Apr 2006
Location: Northwest, GA
Posts: 1,673
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Re: trany oil help
I have no experience with that setup, but generally speaking, it's not real uncommon for there to be no drain bolt. Most tranny's just have a pan you have to drop unfortunately. I have a plug to put into my 700R4 pan the next time I service it.
Anyhow - on the fluid - not sure what they call for, but I will strongly and confidently recommend substituting 1qt. of whatever you use with the Lucas Oil Trans Fix. It has improved every transmission I have ever ran in some way. Can't go wrong with it, and it won't even void new car warranties. It isn't a gasket sweller like some of the products, so it isn't a harmful product. You can pick it up at the parts store, and it isn't expensive. DLB |
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#3 |
Registered User
Join Date: Oct 2005
Location: Overland Park, Ks.
Posts: 5,217
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Re: trany oil help
Is this a manual or auto. trans.?
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#4 |
Registered User
Join Date: Apr 2000
Location: Bonne Terre, Mo
Posts: 3,005
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Re: trany oil help
4 spd I thought used 90 weight gear oil same as rear end lub.
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'69 Chevy Long Fleet & '71 GMC Short Step & Project "ODD BALL" "You can wash a pig, soak it in most expensive perfume. In the end it is still just a pig." ODD BALL build thread http://67-72chevytrucks.com/vboard/s...d.php?t=478629" |
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#5 |
Junk Junkie
Join Date: Oct 2007
Location: Humble, TX
Posts: 123
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Re: trany oil help
Its gonna be gear oil, I have no idea what parts stores you have in Canada, but if you have an Autozone they can tell you the weight. And the manuals should have a drain plug, totally different from an auto, like I think was originally assumed.
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Mike 71 Chevrolet C-10 Short Bed Stepside 81 GMC 1500 Sierra Classic Long Bed |
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#6 |
Senior Member
![]() Join Date: Dec 2006
Location: Studio City, Calif.
Posts: 2,873
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Re: trany oil help
Get under there and look.There IS a drain plug. It jerks and rocks in reverse but not in 1st? Check that the tranny isn't loose.Oil change won't improve that though.
There is no pan on a 4spd.
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'69 GMC C2500 Custom Camper, 8 1/2' bed, New GM 350, NP 435 Close Ratio 4spd. Trans., 3.73 Dana-60 open.Camper and Trailer wiring, PS, PB, AC, tach , three gas tanks, stereo speakers, 2nd owner, Work-Truck supreme. Last edited by WorkinLonghorn; 05-16-2008 at 06:26 AM. |
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#7 |
Registered User
Join Date: Apr 2003
Location: NB
Posts: 3,367
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Re: trany oil help
looks like for bolts come out and a small piece on one side comes down with the gear oil.? Can't see one bolt that would drain it like my muncie trany.
Loose trany is a good call!!!! That makes more sense. Today it was doing it in 2nd gear and REV. only?? Whole truck rocks and jerks. The truck sat for 2 years so maybe Trany and rear end have water in them...... Not sure. Want to use it all weekend but it isn't looking good. ?? |
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#8 |
Registered User
Join Date: Apr 2003
Location: NB
Posts: 3,367
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Re: trany oil help
What about a dirty stuck clutch??
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#9 |
Licensed to Thrill!
Join Date: Apr 2006
Location: Northwest, GA
Posts: 1,673
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Re: trany oil help
Ahhh - all of this just now made sense!
It is a 4 Speed Saginaw! That's what you were trying to relate in the original post. ("4 speed sagnal") Spelling errors get ya every time! ![]() Ignore my entire first post, as it will not help at all with a manual trans. The stuff I recommended even is for auto trans, so, continue on. ![]() |
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#10 |
huh?
![]() Join Date: May 2000
Location: Washington, Illinois
Posts: 5,692
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Re: trany oil help
Is the truck a 4wd? Mismatched front and rear gears will make the truck hop and jerk while turning hard, my buddy had a 74 K20 that was good for that.
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Someday when I'm lonely, Wishing you weren't so far away, Then I will remember Things we said today. RIP El Jay |
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#11 |
Registered User
Join Date: May 2003
Location: Shreveport LA
Posts: 3,170
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Re: trany oil help
You use a suction gun to remove the gear lube from the trans. It's like a big old syringe that holds about a pint, and has a flexible hose instead of a needle. You stick the hose in the fill hole and aim it toward the bottom, then pull the handle back to suck out the oil.
![]() That said, some trannys have a boss in the bottom where a drain plug would normally go, but they got so cheap they quit putting plugs in them. You can drill that boss and tap the hole for a 1/8" pipe plug, maybe even a magnetic one. Last edited by jimfulco; 05-17-2008 at 03:46 AM. |
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#12 | |
Registered User
Join Date: Apr 2003
Location: NB
Posts: 3,367
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Re: trany oil help
Brother you nailed it on the head.
I was looking at the "boss" last night. I couldn't believe someone would plug the drain hole up But it was GM that got lazy. I will try the sucker outer Not sure where I will get one...... Quote:
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1968 Chevy C10 307 3ott fleetside 1967 Chevy C/10 V8, 3spd, fleetside lwb.Sold 1967 Chev C/10 step, 383, M21. SOLD |
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#13 |
Senior Member
![]() Join Date: Jul 2004
Location: Estherville, Iowa
Posts: 3,371
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Re: trany oil help
Remove the bottom bolt on the tailshaft, closest thing to a drain plug on there, after most of it drains, you might raise the front a little and get a little more out.
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1968 C10 307 3spd Long Fleet ------ http://67-72chevytrucks.com/vboard/s...d.php?t=201103 1970 C10 305 Super T10 Long Fleet --- http://67-72chevytrucks.com/vboard/s...d.php?t=202285 1971 C20 383 TH350 Dana Posi ----- http://67-72chevytrucks.com/vboard/s...d.php?t=206894 2001 GMC Sierra 1500 C3 6.0 |
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#14 |
Registered User
Join Date: Apr 2003
Location: NB
Posts: 3,367
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Re: trany oil help
Hey that is a good idea
It is parked on a up ramp right now So maybe it will all come out....if there is any in there at all. It is 2 wheel drive but could the rear end cause it to jerk?? Thanks guys Need it fixed for June 28th so have some time here...
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1968 Chevy C10 307 3ott fleetside 1967 Chevy C/10 V8, 3spd, fleetside lwb.Sold 1967 Chev C/10 step, 383, M21. SOLD |
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