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for the last month I have a vibration at 1,200 - 1,700 RPM 1,500 is more were it dose it the most.
I feel it in park and racing the engine to that spot and around there and feel it when driving as well at 25, 45, 55, 60 mph and so on anywere the rpm are at 1,500 or so.
Its not a real big vibration but still fill it. I have took it to the dealer 2 times now. The first time the gave it a 30 thousand mile tune up. It still did it and said its normal. the 2nd time they said it feels like a jeep and feels it a little bit and say its normal nothing wrong. I haven't felt it before and now I am feeling it all the time.
has any one felt this before or know what it may be? or am I just going nuts, maybe the jeeps driving me nuts
Thanks for the help.
I am looking to see if someone can help me. I have a W reg jeep grand cherokee but recently i have noticed that when you drive of in the cold the revs will stop increasing and he car has no power, feels like something is blocked. you have to accelerate really hard and put your foot down and it will accelerate. But then drives like your pressing and de pressing the accelerator.
any ideas would be great.
I THOUGHT I HAD A FOX, BUT UNFORTUNATELY I DONT. I HAVE IT BOOKED IN AGAIN SEE WHAT HAPPENS.
IF YOU GET ONE LET ME KNOW
THANKS
A lot of complaint about this feeling on the net..I have no idea what to do,but get rid of the car.
years a go when you did a tune up yor reset the timing now days you dont set timing as computer dose all that
i would get the head gasket pressured tested, make sure its ok. Secondly check you coil pack and spark plugs.
see how that goes
Last week, whilst driving my 2004 53-plate (UK reg.) 4.7 Overland model I noticed wisps of blue oily smoke coming from under the engine. Closer inspection revealed quite a majot oil leak dripping through the mechanicals onto the cat and then boiling - hence the smoke. I limped the car home after topping up the oil only to suffer a boiled-dry cooling system.
From experience with a different model I fear this might be a sudden headgasket failure but really I have no idea. I cannot drive the car (parked outside my flat here in London). Need to have it flatbed-towed to a garage but before I do, can anyone give me some idea of what might be wrong?
I have not off-roaded the car for about 6 months and there have been no other problems whatsoever. It has done 60000 miles now.
Many thanks.
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Jacques G. from Jeep SRT8
After testing the fuel regulator (OK), I decided to change the fuel pump. This was no easy job, as my fuel pump is located INSIDE the fuel tank. Don't attempt this without assistance.
You'll also need a floor jack, 3 ton car stands, upper body strength and lots of caution working around a gas tank! Call local auto stores, salvage or websearch for exact fuel pump match, so you'll need it in your hands. Of course, this means you'll have to take it off the road for these repairs. I used a self-service salvage yard, LKQ, and saved over $250 on the pump.
The fuel pump has a LARGE plastic securing nut holding it to the tank. Use a wide blade screwdriver and hammer to gently tap it off. Be sure to replace the rubber seal with a new one (Jeep $15).
I hope there is a solution for you somewhere above.
What could this be?
Thanks!
Any suggestions?
Your problem sounds very like the one I have with my Jeep a 98/99 Cherokee with all the same suspicions as to symptoms. I have confirmed that it is not fuel pump, regulator or filter by hooking up a pressure gauge inside the car to the fuel rail. It stays at 50 psi when I get the problem. I also confirmed that it is not O2 sensor as this is operating within the expected voltage range. I am not sure whee to go next.
Did you resolve your issue and if so what was the solution???
Thanks
Mike :confuse:
I've had 2 door lock actuators go bad, a siezed rear brake caliper, both rear axle seals leak(NEVER off-road), the interior lights mysteriously fade on and off with the alarm set, my water pump goes out October every 2 years, a transmission leak which will probably cost more than the car is worth to fix, and now my oil pressure gauge pegs at max pressure with the engine off... :sick:
So I found it kind of humorous that they are looking for some 'satisfied' GC drivers. I guess other than the issues, I like my GC other than the MPG, nowadays. I'm sure there are satisfied owners out there, it was just funny to find that comment amongst all the problems.
One might conclude that's what would make it newsworthy!
tidester, host
SUVs and Smart Shopper
I replaced the water pump and it appears that the temp is under control but my oil pressure is still extremely high. I took it for a test ride and it stalled out after about 3 minutes. Right before it stalled I was having to feather the gas to keep the engine running.
I was checking out some other web sites that discussed reasons why the vehicle would stall. A majority of the issues looked to be a bad crank shaft position sensor...
I'm worried I might have blown my head gasket when my water pump stopped working (replacing the water pump was close to maxing out my mechanical abilities). Replacing the head gasket does not look easy...
Well, I'm not a car mechanic by trade, but let's start from the beginning:
What year/engine/miles do you have?
Have to ask, so don't be offended, just have to know, have you been following the maintenance schedule at least a little? Replaced spark plugs, cap & rotor(if applicable), etc? Just have to ask as I know people who just run their cars until they die and wonder why it doesn't run without oil and such.
Also, if you suspect a head gasket failure, is the oil milky from water? Or is there oil in the coolant system?
Oh, and if the oil PSI shows 40 without the engine running you think you can trust it when the engine is running?
My 2002 GC (inline 6) started making ticking and knocking noises about two months ago. Sometimes its a tick, sometimes a knock, and sometimes it sounds fine. I have had it into my mechanic twice and to the Jeep dealer once, but, of course all three times it ran fine. After talking with the service manager at the Jeep dealer, on his advise I changed the oil and added a container of Lucas oil additive. For a week or so after the oil change, there was little if any noise, then the noises gradually became more frequent. Then, several times while sitting at a traffic light, the oil pressure dropped almost to nothing, but promptly went back to normal as soon as I would pull away from the light, other times the oil pressure would remain up at idle. I bought it back to my mechanic (one of those times it would not make any funny sounds); he checked the oil for coolant (it was fine) and changed it, again adding an additive. After that second oil change, again everything was fine for perhaps a week or so, then the ticking started every now and then. Now, about 3 or 4 weeks after that second oil change, the knock comes back sometimes and the oil pressure has started running abnormally high, not high enough to turn on the check gauges light, but much higher than it used to run, almost reaching the "H" while accelerating. The Jeep service manager, my mechanic and two other ex-Jeep mechanics I have talked to are all at a loss as to the cause of the problem. Of course the service manager and the ex-jeep mech. who now has his own repair business both say I should put in a new engine.
The Jeep has 168K miles on it and otherwise runs fine. Even when making noise there is no apparent loss of power, although, of course, I am treating it gently these days. Any ideas?
Thanks,
Steve
The oil has been changed regularly, although a few times not till about 5K miles after the previous change.
Does anyone have a thought on having the oil system flushed out. One mechanic recommended this (and, of course the Valvoline folks always suggest it), while others are neutral about it or do not recommend flushing it out.
And, as for flushing the engine oil system out, how do they do it? I would be reluctant to have it done if it means running the engine with a solvent or chemical in it that thins the oil, but then, I am getting a bit desperate to solve this problem before I have a bearing seize up on me!
Thanks again,
Steve
Thanks : bren
tidester, host
SUVs and Smart Shopper
Good luck with it.
I know this is a old thread, I have the same problem with my 2001 JGC Laredo 8cyln. I did the same as your thread, when I cut a hole on the bottom of the head light housing all I found was a vacuum box of some kind! Have you heard this ?
Thanks Don
Seems the turn-signal, fanclutch, A/C, and the rear signal are all wired in series. When the rear brake light went out, the system overloaded, Ohms built up to the point to blow the fuze. Replaced first the tail light sockets and then the entire rear light assembly. Seems to be working for the moment.
New issue, when going above 50 mph, the vehicle will sputter and act like its being flooded out, going to die. Really bad in overdrive. Runs great at slower speeds. Auto zone states check for a 'boogered' vacuum line.
Someone start a Class Action Lawsuit about this vehicle!!!
Needless to say, even though it didn't look like much damage, the insurance company has totaled my Jeep. The radiator and many of the components on the front of the motor are damaged, inasmuch as the front frame. The vehicle has had so many repairs once we paid it off in 2006; In December of 2007 a new $2750.00 Jasper transmission at 125,000 miles (now has only 26,000 miles on the new one; with a 100,000 mile warranty) New Heater Core; New Blower Switch; New Battery; New TPS sensor; New #2 Oxygen Sensor (there are four); New Tires; New Brakes & Rotors; New Blendors (Heat has been an issue for about 3 years); now the Outside Air Vent door has broken off & was laying on the blower motor preventing any heat from coming through my vents & it needs repaired;
Any of you Jeep owners experienced all of this in three (3) years? I'm sure that anyone that owns a Jeep finds it attractive and versatile, however, it is a pain in the wallet once you've outlived your warranty. Of course, the warranty is a whole other issue and infatuation. Now they have a lifetime warranty on the drive train. Imagine that!!!
Any views on buying your Jeep back and repairing it and/or parting it out? The interior is in great shape and has leather seats. Other than these issues, I've enjoyed the comfort and versatility. Its a shame I have to give up what is paid for.
Thanks for any input ....apologies for the lengthiness of this post!