Chevrolet TrailBlazer Real World MPG

44 messages, Last post on Sep 08, 2009 at 10:42 AM

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What is this discussion about? Chevrolet TrailBlazer, Chevrolet TrailBlazer EXT, Fuel Efficiency (MPG), SUV

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#43 of 44 Re: Towing and mpg [bandjw01] by hineblazer Jun 15, 2009 (11:27 am)
Replying to: bandjw01 (Jan 17, 2009 7:45 am) Not sure about towing but I have an 05 standard TB and have had MPG problems most of the 4 years owned. I tried just about everything and finally found that GM was so cheep that they only filled the transfer case with about 1/2 quart of fluid. (no leaks) I found out from the dealer that it should have a little over 2 quarts. After adding about 1 and 1/2 quarts the MPG and performance is much better. I am getting 16 to 17 city and a bit over 20 hwy. Like I said, we never pull with it, but I would feel much better trying now than before. I also replaced gear oil in both the front and rear diffs. just to be sure. GM recommends 50K but I saw a lot of metal particles in the fluid, better safe then sorry a few miles down the road. Apparently GM has quite a (planned obsolesces program). Replies to this message: iowarider (Sep 08, 2009 10:42 am)
#44 of 44 Re: Towing and mpg [hineblazer] by iowarider Sep 08, 2009 (10:42 am)
Replying to: hineblazer (Jun 15, 2009 11:27 am) I was changing the front brake pads last week. the clips that, I thought, held the pads to keep from making noise were rusted. Two days later I have the hardware kit in hand. Tried to put them on and the pads would not slide in and out at all! Needing the TB for work I assembled everything without any of the clips. Guess what? I get no brake noise, and I get a measured 2 mpg better gas mileage! Measured by stock DIC. I am thinking of changing the back pads and seeing what happens.

#43 of 44: Re: Towing and mpg [bandjw01] by hineblazer; Jun 15, 2009 (11:27 am)

Replying to: bandjw01 (Jan 17, 2009 7:45 am)

Not sure about towing but I have an 05 standard TB and have had MPG problems most of the 4 years owned. I tried just about everything and finally found that GM was so cheep that they only filled the transfer case with about 1/2 quart of fluid. (no leaks) I found out from the dealer that it should have a little over 2 quarts. After adding about 1 and 1/2 quarts the MPG and performance is much better. I am getting 16 to 17 city and a bit over 20 hwy. Like I said, we never pull with it, but I would feel much better trying now than before. I also replaced gear oil in both the front and rear diffs. just to be sure. GM recommends 50K but I saw a lot of metal particles in the fluid, better safe then sorry a few miles down the road. Apparently GM has quite a (planned obsolesces program).

iowarider (Sep 08, 2009 10:42 am)

#44 of 44: Re: Towing and mpg [hineblazer] by iowarider; Sep 08, 2009 (10:42 am)

Replying to: hineblazer (Jun 15, 2009 11:27 am)

I was changing the front brake pads last week. the clips that, I thought, held the pads to keep from making noise were rusted. Two days later I have the hardware kit in hand. Tried to put them on and the pads would not slide in and out at all! Needing the TB for work I assembled everything without any of the clips. Guess what?

I get no brake noise, and I get a measured 2 mpg better gas mileage! Measured by stock DIC. I am thinking of changing the back pads and seeing what happens.