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Need Info On Towing

jerr529

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jerr529 Enthusiast

jerr529

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I dont know if i placed this Question in proper area , I wrote in Ask the technician about me towing my Trailer(RV) wasnt sure where to get the info so if anyone has input about the problem i had or didnt lol.Please read and let me know i really appreciate any help.thanks jerry

compulynx Enthusiast

compulynx

Posted
Posted

I have the same engine/tranny you have and tow a 6000 lb camper. I use T/H mode and 3 almost all the time. I found that the mileage is not that much different (maybe 1mpg at most) and the trans temp stays cooler....

 

I assume you have the HD tow package with external tranny cooler. If not, put a cooler on...

 

Plus, in 3 the engine stays in the powerband better...does not shift near as much and pulls hills a lot smoother.

 

And even in 3, ALWAYS use T/H when pulling a heavy load...

 

That is what works for me....

 

C

jerr529 Enthusiast

jerr529

Posted
  • Author
Posted
I have the same engine/tranny you have and tow a 6000 lb camper. I use T/H mode and 3 almost all the time. I found that the mileage is not that much different (maybe 1mpg at most) and the trans temp stays cooler....

 

I assume you have the HD tow package with external tranny cooler. If not, put a cooler on...

 

Plus, in 3 the engine stays in the powerband better...does not shift near as much and pulls hills a lot smoother.

 

And even in 3, ALWAYS use T/H when pulling a heavy load...

 

That is what works for me....

 

C

 

 

thanks C i was glad i wasnt going nuts lol i have the heavy duty package with cooler and such, i pulled the TT and was getting about 12 to the gallon.Yes i agree i kept in tow mode all that time i just felt it pulled better in 3rd when going up and down when i was upstate cause it has alot mountainous roads, but in other areas i think i go into 3rd when i needed otherwise tow/haul mode may be enough :)Thanks for your input C appreciate itjerry

66nova Senior Enthusiast

66nova

Posted
Posted
I have the same engine/tranny you have and tow a 6000 lb camper. I use T/H mode and 3 almost all the time. I found that the mileage is not that much different (maybe 1mpg at most) and the trans temp stays cooler....

 

I assume you have the HD tow package with external tranny cooler. If not, put a cooler on...

 

Plus, in 3 the engine stays in the powerband better...does not shift near as much and pulls hills a lot smoother.

 

And even in 3, ALWAYS use T/H when pulling a heavy load...

 

That is what works for me....

 

C

 

 

thanks C i was glad i wasnt going nuts lol i have the heavy duty package with cooler and such, i pulled the TT and was getting about 12 to the gallon.Yes i agree i kept in tow mode all that time i just felt it pulled better in 3rd when going up and down when i was upstate cause it has alot mountainous roads, but in other areas i think i go into 3rd when i needed otherwise tow/haul mode may be enough :)Thanks for your input C appreciate itjerry

 

 

 

You are actually doing exactly what you should be according to GM and from what I have found pulling my car/trailer/gear (which is about 5000lbs). For most of your towing, unless it is in hilly areas or you're towing a heavy load, I would hit T/H mode and stick it in D. When your truck is having to work a lot and constantly wants to down shift, stick in 3rd and go. You are absolutely going to use more fuel when its in 3rd. GM lays out there recommended towing guidelines pretty well in the manual.

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