Last post on Nov 03, 2013 at 12:18 PM
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Jeep Grand Cherokee, Jeep Cherokee, SUV
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#1559 of 5142 Re: 1997 Jeep Grand Cherokee(Stalling out) [scoppus5]
Jul 07, 2005 (7:47 pm)
no, scoppus5, we have not found a fix. we purchased an ecm from a salvage yard off another 97 jeep gc, but when we installed it the jeep started and immediately stalled. it wouldn't run with it. the numbers were almost the same but we were told the single letter that was different was irrelevant. o'reilly's auto parts said a new one will be $270 and take 10 days to order, but won't need to be flashed. the dealer says it does need to be flashed. o'reilly's says the other computer may work if we reset it after it's installed, but disconnecting the negative wire from the battery did not reset it. not to make it work, that is. we've replaced the crank and cam sensors twice, the o2 sensor twice, the iginition coil, the fuel pump and all the other things i mentioned originally. we can't imagine there is anything left other than the ecm, but we hate to drop yet another $300 on a part that isn't faulty.
i can find several sites on the internet where people are asking the same question and not one person has ever supplied an answer. our jeep has 175,000 miles and retiring it is not an option right now. we've just come to accept that we will stall while driving 65 down the interstate in downtown houston. we lose complete power and don't always make it to the shoulder if traffic is thick and houston has a tow law. if we leave it, they take it.
#1560 of 5142 Re: 1997 Jeep Grand Cherokee(Stalling out) [supernova659]
Jul 07, 2005 (7:52 pm)
my crank sensor was replaced twice. no luck. jeep still stalls while driving down the interstate. we've noticed, though, that it takes about 15 miles. we're thinking it's an engine temperature thing.
#1562 of 5142 Re: JGC Air Conditioner leaking water into car??? [doctre]
Jul 08, 2005 (11:04 am)
I have a 95 JGC that is taking in water on the front and back floorboards(Passenger Side). It can't be from the A/C though, it only happens when it rains. I took it to the dealership and they said there was no problem and the rubber seal on the doors were fine. Anyone have a problem like this?
#1563 of 5142 Re: JGC Air Conditioner leaking water into car??? [mborin]
Jul 08, 2005 (11:55 am)
Check out the picture in message 1550. Find that circle/V shaped thing and see if there are any cracks around it. I know you say it can't be from your A/C, but that thing goes right through the firewall and has been known to be cracked and to leak. It is a drain from the A/C, and it may be connected to the vents infront of the windshield which could explain why your floorboards get wet when it rains. To be honest, I really don't know, but others had wet floors and fixed a crack there and no longer had wet floors. Use silicone caulk or something similar if there is a crack...good luck.
#1564 of 5142 Re: Jeep just won't stop overheating [davisman]
Jul 08, 2005 (12:26 pm)
Fan failure on 99 - 00 Jeeps is common. Disconnect your battery cables and carefully bypass the relay with leads from the battery to the fan. You can access the fan leads at a connector on the passenger side of the radiator. Chances are the fan will start slowly, if at all. If it doesn't start, remove the shroud and fan and manually spin the fan. When you spin the fan, it probably will not spin freely and if that is the case it should be replaced. A new motor is about $100 wholesale.
Note that the relay is bolted to the passenger side inner fender low on the inside of the fender. Access to the relay involves either removing the headlight assembly and/or the battery and battery tray. It is fairly difficult to get to the relay.
I completed this repair just three weeks ago. The fan has started normally since then. The repair was complete at 115K miles on a 2000 JGC.
#1565 of 5142 Re: When I put my shifter in reverse I hear a Clunk [mellis1]
Jul 08, 2005 (12:40 pm)
I have this as well on my 2000 JGC with 115k miles. When new, the noise was not as audible but then developed over time. The noise is probably due to the driveline taking up the lash in components when you change gears. (Components wear over time introducing some additional clearance in gears and other parts)
Back in the days when most cars were rear drive, it was not uncommon to hear such noises. Unless you start hearing some grinding or howling from the back end, it's not likely that you will need repairs.
#1566 of 5142 Re: JeepGC problems (cutting off/starting) [states]
Jul 08, 2005 (1:57 pm)
Whoever replied that it may be the crankshaft sensor is dead on! Sounds exactly
like what was happening to my jeep.YES it was intermittant,YES my jeep did the same thing. I did the test that the Haynes manual suggested and my sensor failed miserably. It can be done at home if you are mechanically inclined, but as the other reply didn't tell you was that you have to do this under the car. It is located
above the transmission bell housing on the left side of the BACK of the block
(as you are sitting in the drivers seat). A swivel socket on a very long 1/4 inch drive ratchet would have made the job a whole lot easier!
#1567 of 5142 Re: Timing Belt or no Timing Belt [jggc]
Jul 08, 2005 (2:28 pm)
If your Jeep has over 100,000 miles, YES it is a good idea to replace the radiator if it is plastic. A plastic radiator will always leak about this age. This goes for other vehicles as well (Honda cars) If you want to get it replaced, make sure the one you get has METAL tanks on the side (or top.) They, (in my experience) seem to last longer. When you replace the radiator DO flush the system first. DO use DISTILLED water only! (it has zero metals/contaminates) it will make your cooling system last longer. I own a 94 Cherokee.(just plain Cherokee) I will never trade this vehicle. 106,000 miles and still strong! I'm also particular, as I am a mechanic, no one touches my Jeep other than the guys who align my front end, or change and rotate and balance my tires. Timing belt or no? A quick glance in my Haynes manual tells me I have a timing chain. I have a in-line (or straight) six cylinder 4.0
#1568 of 5142 Re: When I put my shifter in reverse I hear a Clunk [steve279]
Jul 08, 2005 (2:32 pm)
Thanks for the information. I went to the dealer today 7/8/05, and he tells me it is common to hear that from a jeep. He also told that his liberty jeep does the same thing. I don't get it, it confuses me. That this squeak or clunk is normal. I did some research, on another web site W.J jeeps.com, and found out the (squeak or squawk as they call it) noise is probably from the front or back stabilizer bushings. On this web site they also give TS . They mention in one of their suggestions is to lubricate the bushing, it seems that jeeps between the year 1999 thru 2003 only need lubrication. But 2004 need to be replaced. I am going to try and spray some lubrication lube on the bushing and see if that fixes the squeak or clunk. Because it's a little hard for me to believe that a 2002 jeep with 57 K would give a wear problem in the trans. I will let you know the out come.