| Re: [GMCnet] Greeseeee Question [message #72278] |
Sat, 30 January 2010 16:59  |
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Matt Colie
Messages: 8547
Registered: March 2007
Location: S.E. Michigan
Karma: 7
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| Steve Phillips wrote on Sat, 30 January 2010 15:50 |
Hi All
Having a choice in trans Lube.. I just had the lube in the 5 speed Ford Bronco 2 Changed and put in Dextron lube. Now I find out that the manual calls for SAE 80 W. Should I drain the Dextron out and put in 80 w --or is there that much difference???
Advice needed
Steve
78 Birch
MT
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Steve,
You make a statement and ask two questions.
Many manual transmissions use ATF as a lube, and it usually works. I don't recall what transmission was standard in the Bronco II.
Yes, There is a lot of difference.
Dextron (all versions and Dexron) are about SAE 20. If that actually matters, I cannot tell you without knowing more.
You say you had it changed. Did you pay someone to put the wrong fill in it? If so, was it his idea or yours. If it was his, take it back and let him fix it.
If it were mine and I planned to sell it soon, or it did not have much longer to live in any other case, I'd leave it.
On the other hand,
If I planned to be driving it a few more years, I prefer it get the correct fill.
Maybe someone in a Bronco group can give you a more direct answer.
Matt
Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit
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| Re: [GMCnet] Greeseeee Question [message #72295 is a reply to message #72278] |
Sat, 30 January 2010 19:09  |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma: 10
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Senior Member |
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In 1991 I bought a new S-10 with a 5 speed. GM used dexron in it from the factory. The trans howled and was rebuilt twice over the next year. It did not fix the problem. Finally the owner of the dealership who is a friend of mine asked if he could put 80 in it. I said yes and drove that trans for another 150,000 with no problems. If the book says to use gear oil 80 or 90 in it then that is what I would definitely use.
GM was trying to get better mileage out of the truck by using thinner oil.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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| Re: [GMCnet] Greeseeee Question [message #73120 is a reply to message #72295] |
Sat, 06 February 2010 21:07 |
Bob de Kruyff
Messages: 4260
Registered: January 2004
Location: Chandler, AZ
Karma: 1
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Senior Member |
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""GM was trying to get better mileage out of the truck by using thinner oil.""
They were trying to use a single oil dispenser on the line. There are many things driven by manufacturing that are difficult to rationalize after the fact.
Bob de Kruyff
78 Eleganza
Chandler, AZ
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| Re: [GMCnet] Greeseeee Question [message #73130 is a reply to message #73120] |
Sat, 06 February 2010 22:09 |
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WD0AFQ
Messages: 7111
Registered: November 2004
Location: Dexter, Mo.
Karma: 207
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Senior Member |
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| Bob de Kruyff wrote on Sat, 06 February 2010 21:07 |
""GM was trying to get better mileage out of the truck by using thinner oil.""
They were trying to use a single oil dispenser on the line. There are many things driven by manufacturing that are difficult to rationalize after the fact.
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Bob, that cracks me up. I am glad we have an "insider" as a friend.
dan
3 In Stainless Exhaust Headers
One Ton All Discs/Reaction Arm
355 FD/Quad Bag/Alum Radiator Manny Tran/New eng.
Holley EFI/10 Tire Air Monitoring System
Solarized Coach/Upgraded Windows
Satelite TV/On Demand Hot Water/3Way Refer
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