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Jeep Grand Cherokee Maintenance and Repair

4619 messages,  Last post on Dec 07, 2009 at 6:19 PM

You are in the Jeep Cherokee and Jeep Grand Cherokee Forum. Your Hosts are steve_ & tidester

What is this discussion about? Jeep Grand Cherokee, Jeep Cherokee, SUV


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#2574 of 4619
Grand Cherokee 4.7 L Milage? by clarkkent
Jan 27, 2006 (7:01 am)
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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
#2575 of 4619
Re: 2000 JGC transmission problems...Need Advice!! [dakotarae1] by dakotarae1
Jan 27, 2006 (12:24 pm)
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Replying to: dakotarae1 (Jan 25, 2006 2:27 pm)

Hey,I didn't actually leave it with them..had to straighten some things out with my warranty, anyway, they have no clue they said they'd have to tear it down. So, no clue yet! This sucks, I've put so much money into the looks of this thing for it to be doing this.
#2576 of 4619
Re: A lift for my jeep [jeeper96] by dixiecrawler
Jan 27, 2006 (7:21 pm)
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Replying to: jeeper96 (Jan 25, 2006 7:45 am)

Hey, here is some info that may help you out. I believe you said your tires are 235/75-15's, which are a metric size and are probably the stock size for your truck. These are somewhere around 28.9" tall, when they come off the tire line. After they're mounted on rims, aired up, and 4,000+ lbs of Grand Cherokee is dropped on them, they're actually somewhere between 27.5" and 28" tall. For future reference, to convert a metric tire size (235/75-15) to a standard Light Truck tire size (31x10.50R15, for example), use this formula:
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
#2577 of 4619
Re: Check Engine Light... [billhundley] by havisoft
Jan 27, 2006 (11:21 pm)
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Replying to: billhundley (Jun 29, 2004 5:54 pm)

hi i'm new here my blower motor did stop running i try to chance fuses around dident work after that the Check Engine Light was on how do i get it fikst or reset.
 
mamby som body now wy the blower moter suddenly stops
 
thanks harry
#2578 of 4619
Jeep leaking fluid. by 2000jeepgc
Jan 29, 2006 (2:52 pm)
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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.
#2579 of 4619
Re: A lift for my jeep [wlbrown9] by jeeper96
Jan 30, 2006 (6:28 am)
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Replying to: wlbrown9 (Jan 25, 2006 11:20 am)

thanks,i haveall terrain liberators.
#2580 of 4619
Re: A lift for my jeep [dixiecrawler] by jeeper96
Jan 30, 2006 (7:09 am)
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Replying to: dixiecrawler (Jan 27, 2006 7:21 pm)

don't mean to interupt but i have a quick question,why did you put a 2" in the back and a 2.5" in the front wouldn't it make it uneven?
#2581 of 4619
01 Grand Cherokee Front axle whine by venturmax
Jan 30, 2006 (1:44 pm)
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Replying to: jeeper96 (Jan 30, 2006 7:09 am)

My Grand Cherokee has about 95k miles and in the last few months has had an intermitant high piched squel or whine in the front axle. It starts at 10 mph and goes on up to highway speeds. The whine isn't affected by applying brakes, slowing or speeding up. It only goes away under 5 or 6 mph. It happens in hot or cold weather. Recently it has been happening all the tme. Any ideas?

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