Transmission oil keeps blowing out of vent tube

20

Asked by Aug 15, 2010 at 08:58 AM about the 1996 Chevrolet Blazer

Question type: Maintenance & Repair

I have a 1996 Blazer 4wd and transmission oil keeps blowing out the vent tube. When I bought the Blazer the transmision was over full so I drained a quart out of it and it seemed to stop. Now oil is blowing out vent tube again. Any suggestions?

2 Answers

55

Same thing happened to mine last summer. Follow the vent tube down to the transfer case and there will be a check valve with three tubes going into it. This check valve is defective. Unfortunately you need to drop the transfer case out in order to fix it. I had to replace the check valve and the gasket between the tranny and transfer case. Good luck

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20

Thanks for the info.

2 out of 2 people think this is helpful.

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