Question about 2002 Jeep Grand Cherokee

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Overheates and dies when put in gear

My transmission shifts a little harsh and the oil pressure is a liitle above average at all time and today it overheated and shut off. after about 10 mins it started back up but when i shifted ti dtrive it died

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  • Jeep Master
  • 20,706 Answers

Trans overhneated
trans oil pressure too high.
what shut off the TCM functions or the engine?
my wild guess, is the engine overheated., yes,
you never said what?
as both the engine and trans can overheat, or both.

Posted on Apr 19, 2014

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Posted on Jan 02, 2017

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leetamara
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SOURCE: Transmission wont shift into reverse

By the grayish color, fluid being thick, and metal shavings, the clutches are pretty much worn out. It's time to either rebuilding your transmission or just installing a good used one. The fluid normally should be a reddish color. The gray is from the actual clutch material going away.

Posted on Aug 17, 2008

  • 159 Answers

SOURCE: My 99 Jeep cherokee laredo keeps overheating

the reason it getting hot when stopped is the fan relay is out thus not turning the cooling fan on,this is a time consuming job,the relay is located on the passenger side tip of the frame behind the headlight,the grill,headlights,bumper,and tip of the front fender has to be loosened up to get to it.
The relay is about 70.00 or so,the engine cools down when you drive as you are forcing air through the radiator to cool it down,as for the heater issue probably caused by boiling the anti freeze out ,
To make sure the engine is ok do a compression check to verify the headgasket and heads are ok,as for smelling the sweet smell which is antifreeze probably due to overheating and pushing the fluid out of the cap or tank.

Posted on Dec 30, 2008

  • 1 Answer

SOURCE: oil pressure light on and wont start

Well I had the same problem and wow was I surprised man. I have a code machine that plugs into my car and tells me what wrong with it then I fix it. It read that I had a misfire #1 so that means my spark plug is dirty or something like that. When I took off the spark plug it was smashed in that was a good sign.. I called a mechanic friend of mine and he said that my head and piston were damaged but would not really know unless he took it apart. What he said was true and cost me a great deal of money..!!!! Now searching the web I have found that there many jeep liberty with the same problem just different spark plug locations so I wonder if Jeep knows of this issue but will not acknowledge it.. If you need more information please email me at fgarcia760@verizon.net

Check out this link regarding your issue..!!

Posted on Jan 26, 2009

  • 1 Answer

SOURCE: Transmission problem

I had a shifting problem. The car would start in the wrong gear and shift at wrong times. I repaced the governor postion sensor and tranny fluid and the problem has been fixed for several years. Did you replace the tranny fluid?

Posted on Mar 07, 2009

  • 507 Answers

SOURCE: 96 jeep Cherokee Overheating

you had to put alot of coolant into the system? sounds like a leak someplace. you had to just top it off with a splash? sounds like waterpump is going out if not out.

Posted on Mar 07, 2009

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Mitsibishi Montero sport GLS 2010 model, auto Transmission hard to shift to Drive gear, even new change transmission oil


Either a bad motor mount shifting the engine harshly during high idle, or the transmission High pressure valve is sticking on to long. (it burps out air from sitting for a second, then reverts to lower pressure)

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350z 2004 a/t with 120k miles 3 days ago my car overheated but reached just half of the temp gauge and i stopped the car and by the time it went back to normal i turned off the engine to cool down....


I don't think overheating of the engine has much to do with the transmission, either automatic or manual. If you have an automatic transmission, did you check the fluid? Sometimes low fluid stops certain gears from changing, as the torque converter doesn't have enough fluid to pressurize the servos to engage the clutches.

Feb 17, 2015 | Cars & Trucks

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My Hyundai Tibruon 2001 does not shifts any gear :( I just put new automatic transmission, because it had gear shifting problem. after putting new fluid, i guess I put to much. can it cause this issue?...


removing excess oil will be a good start to see if you have a problem. Excess oil causes over heating of the oil and over pressure in the tranny or frothing of the oil which lowers operating pressures in the tranny

Jan 19, 2013 | 2001 Hyundai Tiburon

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When i put my car into drive it jerks forward suddenly and when i put it in reverse it jerks backward also. its never done this before


1. Extremely harsh shifts from P or N, normal shifts at WOT: EPC (Electronic Pressure Control) solenoid failed. Easy fix in pan. Fix as soon as possible or hard parts will eventually break.
2. Shift suddenly become very hard. When going from park to either reverse or drive it slams into gear. 1-2 and 2-3 shifts are also harsh. All gears seems to work. Problem may be intermittent: Check TPS for smooth electrical response. If the response is jumpy or erratic at all, replace TPS.
There are two thing that may be happening that you have described, but you can tell which one it will be since your driving the Blazer. Both are simple to repaire, but to change the EPC. Your going to have to drop the transmission pan so that's going to be a transmission shop and call around, the EPC can be replace the same time there draining the transmission fluid when servicing the transmission which is about $110.00 for fluid and filter replacement and additional $65.00-$80.00 for the EPC valve.
EPC (electronic pressure control) valve TPS (Throttle position sensor)
Thank you for using Fixya and good luck. If it's the EPC failure, replace as soon as possible. may casue the sunshell to fractured or splines to sheared off.

Apr 04, 2010 | 2000 Chevrolet Blazer

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I have a 1996 chevy silverado 4wd with an automatic transmission that has 180,00 miles and had the transmission rebuilt at 145,000 miles. From first to second gear it wont shift unless you left offf the...


Put a line pressure gauge (or visit a local trans shop) on the pressure test port and go for a drive to verify proper line pressure. Base pressure at idle in P,N,OD should be around 70psi and around 140psi in R. Max line pressure should be at least 190psi at WOT in 1st or 2nd, 225psi is optimum. If base pressure is low, trans or pump is worn out. If max pressure is low, check EPC solenoid. If reverse is slow to engage, and line pressure does not come up to at least 130psi in reverse, replace the boost valve with a Transgo 0.500" boost valve (easy fix in pan)
1-2 shift does not happen at WOT until you let off the gas: Best case: try replacing the TPS. Middle case: leak in the 2nd gear apply circuit (servo assembly or 1-2 accumulator). Doublecheck by using the pressure gauge and watch for a big drop when the PCM commands 2nd gear. Worst case: poor line pressure rise
1-2 Shift shudder at WOT; delayed or abnormal 1-2 shift; There's a problem ONLY on the 1-2 shift: 1-2 accumulator piston cracked or stuck cocked in the bore. Check the yellow spring inside the accum housing for breakage. Also, if the accumulator housing walls are scored, the housing must be replaced. Easy fix in the pan.
1-2 shift is delayed and harsh, may not shift into OD: Check TPS for smooth and linear electrical response over the entire range of motion. If not, replace.
Good luck and suspect the first two problems mentioned above. Thank you for suing fixya

Mar 15, 2010 | 1996 Chevrolet Silverado 2500

1 Answer

Shifting out of first takes longer and feels rough


1-2 shift is delayed and harsh, may not shift into OD: Check TPS for smooth and linear electrical response over the entire range of motion. If not, replace.

Shift suddenly become very hard. When going from park to either reverse or drive it slams into gear. 1-2 and 2-3 shifts are also harsh. All gears seems to work. Problem may be intermittent: Check TPS for smooth electrical response. If the response is jumpy or erratic at all, replace TPS.

Extremely harsh shifts from P or N, normal shifts at WOT: EPC (Electronic Pressure Control) solenoid failed. Easy fix in pan. Fix as soon as possible or hard parts will eventually break.

Visit a transmission shop and have them put a line pressure gauge on the pressure test port and go for a drive to verify proper line pressure. Base pressure at idle in P,N,OD should be around 70psi and around 140psi in R. Max line pressure should be at least 190psi at WOT in 1st or 2nd, 225psi is optimum. If base pressure is low, trans or pump is worn out. If max pressure is low, check EPC solenoid. If reverse is slow to engage, and line pressure does not come up to at least 130psi in reverse, replace the boost valve with a Transgo 0.500" boost valve (easy fix in pan).

Here is just a few things that are common to what you have described, I would start checking the Wire leads to the TPS and TPS it self. Good luck and keep me posted, be glad to know you got your Transmission running 100% again.

Jan 24, 2010 | 2007 Chevrolet Silverado Classic SS New...

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What is code 1811 on 2000 buick centryclunks into gear AFTER 25 TO 30 MILES . TRANMISION PEOPLE SAY THAT THE TRANMISION NEED REPLACEING


Hi,

Condition


Some owners of the above vehicles with a Hydra-Matic 4T65-E transaxle may comment on harsh upshifts or harsh garage shifts, soft shifts, shudders on hard acceleration, or shifts erratic. These conditions may appear intermittently or set a DTC P1811 or P0748. During diagnosis, a low or high line pressure (actual versus desired) may be observed.

Cause

The above condition may be due to any one of the following which may affect line pressure output:
• Sediment inside the pressure control (PC) solenoid valve, causing the PC solenoid valve to mechanically bind. • Sediment in the valve body, causing the torque signal regulator valve to stick. • Incorrect transaxle oil level.
To verifiy the exact failure, a line pressure check will need to be performed.

Hope i helped you.

Thanks.

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Transmission shift


Try putting more brake pressure on your breke peddle before you put it in gear and see if the the problem stop. If it does, it's your motor mount. As as for lucas, just bring it in for a transmission oil and filter change and they can tell you more about your transmission problem if three is one. Good luck

Apr 08, 2009 | 2005 Chevrolet Impala

1 Answer

Transmission will not engage


Sounds like your torque converter may not be unlocking which is like letting your foot out on the clutch on a manual trans and not releasing the brake. Can you move it to neutral ok? To test the theory, move it to neutral, start the vehicle, then without putting your foot on the brake shift to drive with a liitle gas. If you can get going this way, it is the torque converter.

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