Posts: 238
Location: Rhinelander | I currently own (2) vehicles with the 5.3 and pull a Ranger 690 with them on WI roads no problems.
Do not pull in overdrive and make sure the tow/haul button is engaged.
Rear end gears make a diffrence.....would not suggest the 3.08....... 3.42 and 3.73 better choices. (your gas mileage will be down)
The 5.3 and active fuel management (AFM) problems were corrected in '09 or '10 can't remember which.....I have an '08 and have the oil burning issues....so far have the rebuilt top end and working on a new motor. Was caught it in 90,000 mile range and was under the 100,000 mile power train warranty. Now have 135,000+/- on the '08.
My '02 with the 5.3 has 272,000+/- and still driving her. Original engine and tranny. Very few problems and quite staisfied with this truck.
Previous truck was a '99 3/4 ton P/U with the 6.0L and 3.73 gears ....was a nice setup and would have kept it but she was in a rollover and just not the same after. I live in northern WI and towing boat and/or atv/snowmobiles weekly but 100 mile trips one way are not the norm.
I was the original owner on all (3) trucks and looking for another GM truck with the 5.3 soon to semi retire towing duties on the '02. The 6.0L was nice but just couldn't justify with my current needs.....maybe you would if hauling extreme distances.
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