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Chevy Tahoe

6387 messages,  Last post on Dec 01, 2009 at 7:04 PM

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#21 of 6387 transmission clunk computer update by inman01 Dec 04, 2000 (4:11 pm)
Has anyone updated their onboard computer for the transmission clunk and if so, has there been any improvement? Bill
#22 of 6387 Oil Consumption While Towing by rickhess Dec 04, 2000 (4:49 pm)
I just returned from a trip to Florida with my 2000 Suburban, 4 X 4, 5.3 L, 4.10 rear with a 6630 lb (dry weight) trailer in tow. With trailer and vehicle loaded, I am sure I was still under the 8800 lb rated towing capacity of the vehicle. I checked the oil before the 1100 mile trip from PA to FL, and it was full. When I arrived in FL, 1100 miles later, it took two quarts of oil to bring the level to full on the dipstick. This was after driving all the way in tow/haul mode in 3rd gear, 60-70 mph, with engine speeds from 2900-3200 rpm. On the way home, I consumed slightly more than 1 quart, but limited my cruising speed to 65 mph (2900 rpm). I averaged a little over 10 mpg for the trip down and up I-95. Prior to the trip, I was watching the oil level and can extrapolate a consumption of about 1 quart per 3000-4000 non-towing miles, which I thought was acceptable. My Suburban has 10,200 miles on it now. I was shocked that I consumed 3 quarts of oil in 2200 miles of towing. However, the vehicle ran fine throughout the trip. Has anyone had a similar experience? Should I expect oil consumption to increase dramatically under heavy towing conditions? In any case, it is hard for me to believe that this oil consumption is normal. I assume (hope) that oil consumption will return to the previously observed non-towing rate of 1 quart per 3000-4000 miles. Is this even normal for an almost new vehicle? Any comments would be appreciated. Rick
#23 of 6387 Radio security by grunt5 Dec 04, 2000 (5:19 pm)
For the third time in 9 mos my 00Yukons radio has had to be reset due to SEC message. Any body deal with service dept on this issue? Intermittents can be a bear to deal with. Just a nuisance. Replies to this message: 01tahoelt (Jan 06, 2005 10:59 am)
#24 of 6387 Transmission clunk by mrfish64 Dec 04, 2000 (5:46 pm)
I had my 3/4 in for cluncking while towing after it got hot. 200 degrees. They reprogramed and recalibrated. Now shifts hard between 3rd and 4th but seems to be getting better. I think it is re-learing itself. Been 4 days. I havnt towed again yet. Dont have the ice breaker on my boat.
#25 of 6387 Oil Consumption by selman Dec 04, 2000 (9:09 pm)
I was told by the service department that some oil consumption problems in the 5.3L motors were due to bad PCV valves. Seemed that the problem was pretty pronounced, over a quart per thousand miles without towing a load. Don't know if this will help but thought I'd pass it on. Scott
#26 of 6387 R- window, AC drain by dave5319 Dec 04, 2000 (10:20 pm)
Had both of mine done about 2 months ago, still ok. Mine were also replaced with the same part #'s so I won't hold my breath. Cliff, the rear AC drain is next to the AC lines going into the rear evap, Its a short black hose. Dave...
#27 of 6387 MPC wrap guard hood protector by r41316 Dec 04, 2000 (10:34 pm)
Has anyone had experience with the MPC hood protector? After getting my first dime size ding and paint chip on the very front of my hood, I realize I do need one of these things. I really don't care for the way they look, but this MPC protector that I found at overlander.com is one of the better looking ones. I know I have read many posts about some vibration, wiper issues after installing a hood protector . . . Thanks.
#28 of 6387 BILL by ryanbab Dec 04, 2000 (11:13 pm)
had my silverados tranny updated and it shifts much nicer now. Also how much are dealerships charging you guys to do an update on tire size. They want to charge me $72 to go from a 265 to a 285. Kinda pricey u think? Ryan
#29 of 6387 Other than buying a HPIII unit... by obyone Dec 04, 2000 (11:54 pm)
not too many options on the reprogramming unless you buy a tech2 unit for $3000.
#30 of 6387 Repeated rear window failure by led Dec 05, 2000 (3:43 am)
My Suburban has 20K and the rear windows failed some time ago. I had them replaced. About a month later they failed again. They were replaced about three months ago and have been perfect ever since. I believe the part (Window motor) was redesigned and now the problem has been solved.

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