unhappy with 80w-90 gear oil

General discussion about our beloved Tercel 4WD cars
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Abletobecain
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Posts: 415
Joined: Sun Dec 09, 2018 9:18 am
My tercel:: 1983 4WD DLX, 1986 4WD SR5, 1985 4WD SR5, 1983 4WD SR5
Location: Kitsap County
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Re: unhappy with 80w-90 gear oil

Post by Abletobecain »

The Professor wrote: Tue Jan 07, 2020 8:26 amMid-winter update: I drove around in some low-to-mid-30s (*F) temperatures in the Tercel over the last few weeks. The Redline MT-90 still feels great with no grinding in any gear and smooth operation despite the cooler temps.
That's great news! I put MT-90 in my DD and not 30 miles later the water pump siezed and ripped my HB in half then a headbolt moved funny on the retorque and sheared off when I was attempting to replace it. It felt great for those 30 miles though!
1977 BMW R100S 1WD ("Brunhilda"/Summer Fun)
1983 DLX Tercel Wagon 4WD ("Charlie"/Daily Driver)
1987 SR5 Tercel Wagon 4WD ("Sprocket"/Off-road-Camping)
1985 SR5 Tercel Wagon 4WD ("Lucky"/Project)
1983 SR5 Tercel Wagon 4WD ("Cadaver"/Parts Car)
1985 Ford F250 6.9IDI ("Franklin"/Hauler)
1987 SR5 Tercel Wagon 4WD ("Ravensburger"/in a million pieces)
2006 BMW 530XI Wagon ("Inga"/Roadtripper)
1969 Mercury Montego MX Convertible ("Big Ed"/My Dad's Old Car)
1983 SR5 Tercel Wagon 4WD ("Al"/for sale soon)
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AugustusFerdinand
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Joined: Sat Mar 24, 2018 10:06 pm
My tercel:: 1983 Toyota Tercel SR5

Re: unhappy with 80w-90 gear oil

Post by AugustusFerdinand »

So what's the community's choice for oil in the rear diff?
1983 Toyota Tercel SR5 - 7AGE swap in progress
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Abletobecain
Top Notch Member
Posts: 415
Joined: Sun Dec 09, 2018 9:18 am
My tercel:: 1983 4WD DLX, 1986 4WD SR5, 1985 4WD SR5, 1983 4WD SR5
Location: Kitsap County
Contact:

Re: unhappy with 80w-90 gear oil

Post by Abletobecain »

I'm running Ravenol 90 gl5. I got it cause it's an actual liter. Good stuff and pretty reasonably priced on Amazon.
1977 BMW R100S 1WD ("Brunhilda"/Summer Fun)
1983 DLX Tercel Wagon 4WD ("Charlie"/Daily Driver)
1987 SR5 Tercel Wagon 4WD ("Sprocket"/Off-road-Camping)
1985 SR5 Tercel Wagon 4WD ("Lucky"/Project)
1983 SR5 Tercel Wagon 4WD ("Cadaver"/Parts Car)
1985 Ford F250 6.9IDI ("Franklin"/Hauler)
1987 SR5 Tercel Wagon 4WD ("Ravensburger"/in a million pieces)
2006 BMW 530XI Wagon ("Inga"/Roadtripper)
1969 Mercury Montego MX Convertible ("Big Ed"/My Dad's Old Car)
1983 SR5 Tercel Wagon 4WD ("Al"/for sale soon)
Esaus
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Posts: 59
Joined: Sun Oct 16, 2022 11:12 am
My tercel:: 86 Tercel 1.5 Europe

Re: unhappy with 80w-90 gear oil

Post by Esaus »

Im using Biltema 75W-90 multi gear oil in both the rear diff and the transmission. Its a GL 4, and GL5 oil thats not aggressive to yellow metals. Costs 99SEK for 1l loosely 10€ so its cheap. My rear diff is making noises when i come off acceleration and when im in 2wd. When in 4WD its quiet. Im guessing its the preload or something. Needs adjusting. Might go to a straight 80W GL5 if i take it apart to adjust and check lash. Had issues with shifting after I had the clutch replaced but it was a too tight clutch cable, after I adjusted the cable it shifts better. The new clutch is "heavier" than the old worn one making shifts harder as i need to ease on the clutch more than before.
1986 Tercel 4WD, Red, 170000km, restored.
1987 Toyota Corolla Dlx hatchback, 250000km
1988 Toyota Corolla touring 4wd, estate yet to be restored
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