GMC Sierra/Chevy Silverado 2500 & 3500 - II - READ ONLY

1057 messages, Last post on May 12, 2002 at 5:56 PM

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What is this discussion about? GMC Sierra 2500, GMC Sierra 3500, Chevrolet Silverado 2500, Chevrolet Silverado 3500, Truck

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#671 of 1057 GMC Sierra/Chevy 2500 & 3500 II by crunk1 Mar 24, 2001 (2:13 pm)
I have a new 2500 ext cab-short bed waiting at the dealership. Finally got them to take back by 2000 1500. Wanting advise on location of 5th wheel in this truck. Seems like I saw something about this topic earlier but can not locate that post now. Thanks
#672 of 1057 5th Wh HItch SB - by n75v111 Mar 24, 2001 (6:29 pm)
Over on 8100/alli topic - 75v
#673 of 1057 Concerned about Milage by sierra2500hd Mar 25, 2001 (9:20 am)
I just took my truck on my first long trip. The truck had 1400 miles on it when we left. My wife and I drove from Philadelphia to Mont Tremblant in Canada and back. About 1100 miles round trip. Other than my wife, myself, two bags and two pairs of skis, the truck was empty. I kept it on cruise at 75 mph about 95% of the way (except when the radar detector would go off, damn those brakes do work good). I only averaged 11.4 mpg. I've read people getting around 14 with the same truck. I know we were going through the mountains, but the Adirondacks aren't really that steep. I've been getting around 10.5 with heavy loads and a heavy foot with my everyday driving. I really expected the milage to be far better than what it was. Is this what I should expect the milage to be, or should I be a little concerned? The truck is a 2500HD XC 4WD LB 6.0/auto 4.10 locker. Lou
#674 of 1057 POST 642 by trucks4me2 Mar 25, 2001 (7:36 pm)
Lou, I have the same truck as you except mine is a short bed. When new in Oct, I got around 11.5 in town and 14 on the hiway. It now has 5,000 miles and I get 13 and 15. I heard that the mileage gets better as you get closer to 10,000 miles and for me it seems to be working. I have noticed that even small hills tends to cut mileage quickly. Hope this helps. Stan
#675 of 1057 trucks4me2, sierra2500hd by gordo13 Mar 25, 2001 (9:21 pm)
Trucks4me2, your mileage is really good. You mentioned the mileage goes down when you climb up hills, can both of you comment on the trucks power to climb the hills? Also, do any of you tow up hills, can you give your experiences? I was looking at the diesel mainly for the MPG and range but if the 6.0 has the capability to get 15, I might be changing my mind. I will be towing around 7000lbs. but it will be up hills in 120 degree or higher summer temps. Thanks
#676 of 1057 Gordo by sierra2500hd Mar 26, 2001 (7:41 am)
I don't do any towing, but I do haul loads that are around 2-3000 pounds. I haven't had any problems at all with the 6.0 handling hills. I'm only at 2600 milles, but I don't think it will ever be a problem. What Stan said about hills cutting mpg makes sense. Could also explain why my milage was low on my trip. I don't think the mountains of upstate New York are that large, but you do spend a good bit of time climbing uphill. I wouldn't worry whether or not the 6.0 can tow your 7000 pound trailer uphill. Seems to me there's more than enough power to get that job done easily. Getting 15 mpg??? I'll let you know the first time I ever get in that range. Don't wait too long though, with my heavy foot I don't think I'll ever reach that kind of milage.
#677 of 1057 Uphill by sf0383 Mar 26, 2001 (10:19 am)
I've actually noticed my valves pinging a little when I go uphill sometimes. Has anyone else noticed this? Wasn't sure if it was normal or if I should have the timimg checked already. 2500HD Crew cab, 4x4, 6.0 automatic.
#678 of 1057 Towing with 6.0 by jlflemmons Mar 26, 2001 (10:20 am)
Gordo, I have a 2K 2500HD extended cab with the 6.0 and 3.73 gears, automatic. I tow a 7400lb travel trailer with no problems, get about 8-8.5 mpg in hills. I haven't had a chance to flatland tow, yet. I know, the HD wasn't available in '00, but the 2500 with HD suspension and towing was. It falls between the current 2500 and 2500HD. As equipped, the sticker states tow rating 9200lbs. As I have stated before, the window sticker is printed "Sierra 2500HD" Go figure... Jim
#679 of 1057 thanks for the comments by gordo13 Mar 26, 2001 (9:05 pm)
Good useful information for me to make my power choice, I'll make the decision one of these days. I'm going with the CC SWB now I just need to pick my power.
#680 of 1057 8.,1 Knocking at Startup by podchevyowner Mar 28, 2001 (4:34 am)
I have a 2001 2500 HD with the 8.1 with 900 miles on it. When I start it up cold the engine has a knocking sound, like a diesel (lifters?). It also has very high oil pressure, approx. 65 PSI when cold and at hwy speeds. Both the noise and the oil pressure seem to go away after about 5 minutes and the engine warms up. The oil pressure at idleafter warm up is approx. 45 PSI. I have written to Chevy and talked to the local dealer and they have been more than worthless. Has anyone else experienced these symptoms/problems?