1989 Chevy Camaro Differential Oil

1989 CHEVROLET CAMARO
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89CAMAROMAN
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1989 Chevy Camaro 6 cyl Wheel Drive Type unknown Automatic N/A miles
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Hi, I need some help I just emptied the oil from my differential but I don't know what weight oil to put back in. I have an 1989 camaro 2.5L V6.
Mar 2, 2008 at 9:27 AM
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MASTERTECHTIM
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80/90 if its posi then you need to add a additive. to find out if its posi, spin rear wheels and if they both are spinning in the same direction then you haqve posi
Mar 2, 2008 at 9:32 AM
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89CAMAROMAN
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Thank you for your help!
But I'm pretty sure that when I spun the back wheels the spun in opposite directions (mean its not posi?)

So should I use the same oil?
Mar 3, 2008 at 5:49 AM
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MASTERTECHTIM
  • ✓Experienced Mechanic
  • 4,750 POSTS
yes just use 80\90 weight gear oil
Mar 3, 2008 at 6:12 AM
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89CAMAROMAN
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Ok Thank you again!!

But do I still need an additive?
Mar 3, 2008 at 6:21 AM
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