For a 1982 GMC P3500 rear end, it's recommended to use a high-quality gear oil with a viscosity of 80W-90. You should also ensure that the oil meets API GL-5 specifications for optimal performance and protection. If the rear end has a limited-slip differential, consider adding a friction modifier to prevent chatter. Always consult the owner's manual for specific recommendations.
1985 GMC P3500 Motorhome
What type of rear axle fluid is used in a 2006 GMC 5500
The HOUSINGS are the same, But the gear ratio is probley different.
The GMC 2500 Van is usually used as a work van. The Van does not column with rear seating, nor rear side windows.
Loosen bolts and nuts to allow the ps pump to swing down then remove the belt.
75W-90
0w80 synthetic gear oil.
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The 2013 GMC Terrain has 55.3 in. of rear shoulder room.
The 2006 GMC Savana has 66.0 in. of rear hip room.
The 2002 GMC Savana has 67.6 in. of rear hip room.