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  #1  
Old 04-19-2010, 04:55 PM
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Witchdoctor556 Witchdoctor556 is offline
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2005 Chevy TrailBlazer LT
Sandstone Metallic 4.2L I6 2WD
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50000 Mile Service???

My 2005 TB is quickly approaching 50,000 miles. The local GM dealer says it is due to a tranny service at 50,000. That was the only thing they recommended.

So my question to the group is what should I do at 50,000? Tranny Service? Anything else that I need to do?

Thanks in advance for the help.

Warranty runs out at 49200 miles!!! Upgrades will be started soon.
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  #2  
Old 04-19-2010, 05:45 PM
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2002 Chevy TrailBlazer LTZ
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Yes a tranny flush and filter change would be very beneficial to the longevity of the transmission, if it were me I would consider it necessary.
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  #3  
Old 04-19-2010, 08:07 PM
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Also, inspect and change the diff fluids along with the transfer case fluid.
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  #4  
Old 04-20-2010, 09:04 AM
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Quote:
Originally Posted by wardak33 View Post
Also, inspect and change the diff fluids along with the transfer case fluid.
No transfer case on a 2WD, but changing the rear diff is a good idea. Also, the 05 TB manual (under "OEM Manuals" in the "Resources" section above) also calls out for a fuel filter change and various inspections. Not a whole lot to do.
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Old 04-20-2010, 09:39 AM
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No transfer case on a 2WD, but changing the rear diff is a good idea. Also, the 05 TB manual (under "OEM Manuals" in the "Resources" section above) also calls out for a fuel filter change and various inspections. Not a whole lot to do.
Didn't recognize the fact that it was a 2WD model, my apologies.

Also note: the 2005 models don't have a serviceable fuel filter.
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Old 04-20-2010, 09:56 AM
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Originally Posted by wardak33 View Post
Didn't recognize the fact that it was a 2WD model, my apologies.

Also note: the 2005 models don't have a serviceable fuel filter.
Ha. I couldn't remember when they switched. If that's the case I wonder why the manual lists it under the service interval.
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Old 04-20-2010, 01:00 PM
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I'm fixing to hit the 50k mark also. Along with the tranny flush, I'll be doing the transfer case and differentials (I know, you're 2wd). I just had the radiator flushed because a sensor went bad which wasn't allowing my air conditioning to come on, so that's taken care of. I might flush the brake fluid, but that's all I'm planning on.
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Old 04-20-2010, 01:03 PM
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Radiator has been flushed and refilled 3 times now... long story about some crappy sensors and a horrible thermostat design.
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Old 05-22-2010, 12:53 AM
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FYI: I did our transfer case tonight, took 1.5 hrs. I HIGHLY recommend buying at least 3 qts of autotrak II because there is no way to keep all of the fluid in the bottles. I spilled 1/2 quart even while using a pump to replace the fluid. I would also recommend using a pump to refill the TC because I tried 4 different funnels and none fit in the fill hole region because the driveshaft and fuel tank are in the way. It was a fairly simple job and I tested the TC after the change by driving on a straight street in 4hi and 4 low. I also took a few gradual turns in 4 high (as per roadie) to feel the driveline binding and to make sure everything was tight. Everything went well and we are going to play in the sand at the beach with it tomorrow. With 134,000 on the suspected original fluid, it still had a very green tint to it and felt like it still lubricated well.
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