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Jeep Grand Cherokee Maintenance and Repair

4608 messages, Last post on Nov 30, 2009 at 11:06 PM
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Replying to: dakotarae1 (Jan 25, 2006 2:27 pm) |
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I have a 2000 GC 4.7 L. I just got back from a 4000 mile trip. I have 95000 on the car, good air pressure in the tires, a recent tune up, and I got an average of 17 mpg. It was mostly HW miles at 75 mph. Is that about the right mileage? I would have expected 19 to 20 as it was level cruising with the Cruise Control most of the time. What is everyone else getting? Thanks, CK |
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Replying to: dakotarae1 (Jan 25, 2006 2:27 pm) |
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Replying to: jeeper96 (Jan 25, 2006 7:45 am) Width x Aspect Ratio = Section Height; Section Height x 2 = Combined Section Height; Combined Section Height + Wheel Diameter = Tire Diameter; (Example: 235/75-15) 235mm x .75 = 176.25mm (a ratio is a percent; 75%or.75); 176.25mm x 2 = 352.5mm (section above and below rim); [Then you need to convert the mm to inches by dividing by 25.4, which makes 352.5mm = 13.9"] 13.9" + 15" = 28.9" tire height. (I actually had to relearn that formula as I was typing it!) Now that you know your current tire height in inches, we can forget about that for a while. I noticed that someone else replied to you about your tires and whether or not they rub. If they do, something isn't right! That "grind" you hear has got to be either some of your inner fenderwell is lose or something not related to your tires. As far as being easier to flip, the higher your center of gravity, the higher your chance of rolling. Most rollovers can be prevented by the driver. Once lifted, you'll notice that your Grand's body roll will have increased during turns and in curves. All you have to do is stay off the "go pedal". Lots of people seem to drive their SUV's like they're sports cars. That's dangerous enough stock. Add a lift and you've more than doubled your chances of rolling in a turning or lost control situation that could be just "scary" at stock height. Now I am definitely not trying to scare you away from lifting your truck! You'll just have to think about how careful you are now, and then be triple careful. You'll be a good bit more stable with a 2" to 2.5" lift compared to a 4" lift. Now I know your probably thinking "this guy is a sissy", but from the time I bought my 2000 Grand in Aug.'05, I could not wait to get it lifted. I finally convinced my wife to let me lift it as a Christmas gift to myself, and on Christmas Eve '05, in my garage, it took me about 45 minutes to add 2" in the rear and 2.5" in the front. Now it doesn't look like the front fenders are sitting on the front tires. And I had tires two sizes up from stock on it, with no rubbing, before I lifted it! This posting has become huge, so I'll start another in just a little bit! - dixiecrawler
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Replying to: billhundley (Jun 29, 2004 5:54 pm) mamby som body now wy the blower moter thanks harry |
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| I have a 00 JGC and it is leaking what appears to be transmission fluid, but all of the levels are fine. About a month ago I wasn't able shift out of park unless I let it warm up for a minute or two. Just yesterday I was driving and the car all of the sudden revved really high and wouldn't shift gears until I let off the gas. Is this a common issue? I plan on taking it in--I just want to know what to expect when I get there. Thanks. | |
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