Where is the fill plug on a differential?
The transfer case and differentials have fill plugs located toward the top-quarter of the case. Fill the case until the level of fluid is flush with the bottom of the plug hole. Use an L-shaped Allen wrench to measure the level when filling by sticking the short end of the Allen wrench into the hole.
Where can I find a GM axle part diagram?
Download these exploded view part diagrams and associated part lists to select an AAM series below that matches your GM vehicle.
How do you fill a GMC Envoy case?
Fill the case until the level of fluid is flush with the bottom of the plug hole. Use an L-shaped Allen wrench to measure the level when filling by sticking the short end of the Allen wrench into the hole. A little fluid should be present on the tip of the Allen wrench when the case is full.
When to refill front axle fluid in 4WD?
New vehicles that are expected to operate extensively in 4WD in temperatures below -24°C (-12°F) should have their front axle fluid drained and refilled with synthetic axle lubricant during PDI or before delivery to the first retail customer.
The transfer case and differentials have fill plugs located toward the top-quarter of the case. Fill the case until the level of fluid is flush with the bottom of the plug hole. Use an L-shaped Allen wrench to measure the level when filling by sticking the short end of the Allen wrench into the hole.
Fill the case until the level of fluid is flush with the bottom of the plug hole. Use an L-shaped Allen wrench to measure the level when filling by sticking the short end of the Allen wrench into the hole. A little fluid should be present on the tip of the Allen wrench when the case is full.
New vehicles that are expected to operate extensively in 4WD in temperatures below -24°C (-12°F) should have their front axle fluid drained and refilled with synthetic axle lubricant during PDI or before delivery to the first retail customer.