Towing car trailer with 4.2? - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 General Tech Q&A > Towing

Towing Towing with your TrailVoy

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  #1  
Old 02-16-2017, 01:47 PM
unioncreek unioncreek is offline
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2006 Chevy TrailBlazer LS
Steel Gray Metallic 4.2L I6 4X4
Join Date: Feb 2017
Location: southeastern WA
Posts: 8
Towing car trailer with 4.2?

I just bought a 06 Trailblazer with a 4.2L. I have a 16 foot car trailer that weighs 1900 pounds. I would like to tow this trailer, but would only tow it when I get lumber or such. The most I would put on it would be 1500 pounds, if I need a larger load than that I would use my Dodge Ram with a Cummins. Would I need to add another tranny cooler as added insurance to keep the tranny cool?

Thanks,
Bob
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  #2  
Old 03-31-2017, 11:10 PM
Kendo Kendo is offline
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2005 Isuzu Ascender
Dark Gray Metallic 4.2L I6 4X4
Join Date: Mar 2017
Location: New York NY
Posts: 14
Towing capacity

I have an 06 with a 4200 and 3.42 axle that's rated at 4750lbs listed on factory invoice sticker.
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  #3  
Old 04-02-2017, 12:00 PM
jimbo7 jimbo7 is offline
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2004 Chevy TrailBlazer LS
Midnight Blue Metallic 4.2L I6 4X4
Join Date: Oct 2015
Location: st. louis
Posts: 77
I towed a 3600lb car with a tow dolly from Nashville to St. Louis with no problems. Mine is stock BTW. Unless you're climbing mountain, you shouldn't need a tranny cooler (don't they have them already?).
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  #4  
Old 01-21-2019, 04:15 PM
Brian K Brian K is offline
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2009 GMC Envoy SLT
Black 4.2L I6 4X4
Join Date: Jan 2010
Location: Calgary, AB
Posts: 153
I tow a 4000 lb boat with my I6 3.42. A tandem axle trailer sure helps - also trailer has surge brakes which work well. It struggles a bit up steep hills and I stay out of the mountains when towing. I installed a tranny cooler and this helps with keeping the temps decent. Use 3rd gear as others suggest.
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  #5  
Old 01-21-2019, 10:05 PM
unioncreek unioncreek is offline
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2006 Chevy TrailBlazer LS
Steel Gray Metallic 4.2L I6 4X4
Join Date: Feb 2017
Location: southeastern WA
Posts: 8
It's been almost two years since I posted this and I have pulled my car trailer a few times. I didn't put much of a load on it, but hauled some 16 foot 2x4's. Last winter I did haul a ton of wood pellets, but that was only for 16 miles, trailer was kind of squirrelly while towing. My 96 Dodge Ram with a diesel gets better mileage when pulling the trailer, so I used that.
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  #6  
Old 08-15-2019, 11:05 AM
Skipwalton Skipwalton is offline
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2003 Chevy TrailBlazer LS
Summit White 4.2L I6 2WD
Join Date: Aug 2019
Location: Lincolnton, GA
Posts: 2
I've had a problem with my 03 4.2 pulling a car dolly with a Passat on it. The car had 60k on it, and started surging, dropping down 2 gears. Not sure what the problem is. No check engine light, etc. the trans had been serviced at the dealer at around 45k a year or two ago.
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