Question about 2003 Chevrolet Silverado 1500

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I have a 2003 Silverado Z-71 4 wheel drive. When towing trailer in 2 wheel drive and the "tow" switch is engaged it does not seem to make any difference in the way the transmission shifts. If the accelerator is held in a steady position, the transmission feels like it continues to shift up and down, not staying in either gear for any length of time.

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According to GM...you should use it when you have a load that is 75% of your GCVW. Holds shifts longer and makes them firmer. Also reduces the amt of "hunting" for gears if you are running in OD. The trans still go in all gears 1-OD plus lockup with the tow button depressed. Hope this helps, you can use it all the time but it will make your shift harder when the truck is not pulling. 

Posted on Jun 22, 2009

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When you engage the "tow" button, all that does is stop it from going into overdrive and putting a strain on the clutch packs inside. The transmission shifts the same whether its towing or not.

Posted on Jun 22, 2009

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