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Transfer Case, Transmission, Differentials?

1049 Views 7 Replies 6 Participants Last post by  tuney443, 
Shane01638
I have a couple questions. I had my wife take my truck in to get the 30,000 mile maintenance done in Florida. The Chevy dealer said they would not drain and refill the transmission and transfer case. They said when they flush the transmission, the transfer case is included. Are they connected fluidly? Also, you don't have to touch the differentials until 100,000 miles? The dealer also reccommended to have the injectors flushed, is that a good idea on a diesel? That dealer also wanted an extra $42.50 to inspect the brakes when they rotated the tires. I told them they were out of their mind. Thanks!
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Shane01638;1567913; said:
I have a couple questions. I had my wife take my truck in to get the 30,000 mile maintenance done in Florida. The Chevy dealer said they would not drain and refill the transmission and transfer case. They said when they flush the transmission, the transfer case is included. Are they connected fluidly? Also, you don't have to touch the differentials until 100,000 miles? The dealer also reccommended to have the injectors flushed, is that a good idea on a diesel? That dealer also wanted an extra $42.50 to inspect the brakes when they rotated the tires. I told them they were out of their mind. Thanks!
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Transfer case is not connected "fluidly", but as the dealer claimed, the TC is included when they flush the trans. That doesn't mean thier connected fluidly, just that both are flushed in that price.

The diff's are covered under the 100k cuz GM went to synthetic gear lube in the diffs, doesn't hurt to have them check the levels.

Wife is having this all checked in Fla while you live in Alaska, dude, I would have checked all these things before she left home...
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