Question about 1999 Jeep Cherokee

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Where is the pcm located on my 99 jeep grand cherokee

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: HOW DO I CHANGE THE WATER PUMP ON A 99 JEEP GRAND CHEROKEE ?

At least you have the 4 liter 6. Once you get all the **** out of the way its like replacing a W/P on an "old school" engine, very much like a Ford or Chevy straight 6. 1) Remove radiator top retainer (the metal U that looks like its the top of the radiator (#13 or 14mm sockets I think). 2) To completely get if off you also have to remove the grill (4-6 phillips screws), then 3) unbolt it from the tubular bumper retainers underneath the grill. 4) DO NOT remove the latch cable - no need. 5) Remove the top bolts holding down the fan shroud. Lift the shroud off its bottom "tabs" and push over the fan. 6) Using #10mm socket remove fan from fan clutch, then remove bolts holding fan clutch onto water pump pulley. 7) Pull out shroud, then fan, then fan clutch. Be very patient, lots of wiggling may be needed. 8) Locate belt tensioner on idler puller below the Power steering pump. Losen very little the pulleys center bolt (10mm), then use a 10mm w/entension to losen the pulley's tension (use counter clockwise/normal rotation to losen). 9) Draw a diagram of the belt routing - you will Never remember it correctly otherwise. 10) Tap the w/p pully and pull if off - do not hit radiator fins! 11) Drain the radiator (clockwise/right rotation opens petoc from factory radiators - counterclock used on aftermaket rads). 12) Remove lower raditor hose at radiator, then at pump (it will be a challenge). 13) Remove upper radiator hose from rad and from thermostat housing. 14) losen the Rubber heater hose from the metal hose screwed into the W/P. 15) Remove 4 bolts from W/P (13 or 14mm I think). The one at the 4oclock position is longer than the others. One is hidden at 6oclock.
16) Remove 2 bolts (14-15mm??) on bottom of Power Steering mount - these go through the W/P case to the block. You may also need to losen the top PS bolts so the PS Bracket can be loose at the W/P case. 17) Wiggle the W/P out from under the PS bracket. and pull off. (16b if needed, remove the upper idler pulley near the A/C unit.) 18) Remove the Thermostat (upper hose return) housing. Scrape off old gasket. Replace with 160deg or 190deg thermostat. Use silicone on gasket. 19) Carefully use a 17 or 19mm box wrench to remove the metal heater hose return line from the upper part of the old water pump. Coat threads with spark plug thread antiseize and screw onto new W/P. 20) Install new W/P gasket w/silcone, be careful to Not block the water holes. 21) Slide W/P under the P/S bracket and jiggle into place. Hand thread one of the top bolts to hold the W/P in place. 22) Insert the P/S bracket bolts and lightly tighten. 23) Jiggle W/P around and insert other bolts, start with the 6oc hidden bolt. Add remaining bolts and tighten to 25 or 250?ftlb (about 3/4 past socket-snug). 24) Tighten ALL P/S bolts. 25) Adjust metal heater pipe. Reinstall rubber heater hose. 26) Reinstall W/P pulley and Fan clutch, and upper idler if it was removed. 27) Thread NEW Belt on pulleys. 28) Tighten tension on idler. Tighten idler axle bolt. 29) Install lower rad hose. 30) Slide shroud over pulleys. 31) Install fan on clutch. 32) Clip shroud retainer bolt mounts back on top of radiator. 33) Install shroud. 34) Connect upper hose. 35) Reinstall radiator retainer. 36) Bolt retainer to Tubular bumper mounts. 37) Reinstall grill. 38) Wonder where the extra bolts etc are supposed to go. 39) Cuss - pray -cuss - pray. 40 ) sip some beer. 41) carefully inspect everything to ensure its back to the way it looked before (several pictures from a digital camera taken during the disassembly will help). 42) Close the rad petok. 43) Add 1 gallons of antifreeze. 44) Start engine and add another gallon of A/F. 45) Turn heater controls to HOT inside (no need for fan). 46) Water guage should show 180 to 210F. 47) Add 1 gallon of water. 48) Install New 18PSI rad cap. 49) Turn off engine and add water or A/F to overflow tank. 50) 1 hour later open Cap to see if level has settled. Add Water as needed to fill rad.

Posted on Dec 31, 2008

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SOURCE: LOCATION OF LIGHTER FUSE FOR 1996 JEEP GRAND

If you have the owner's manual look up fuses in the index, good illustration. If you don't, I do. It shows a relay and a 15 amp fuse. Look at the passenger kick panel, pull the cover, and it is #2 fuse (second from the top on the left) The see the relay you may have to pull the panel (two screws and a clip) the relay is the third cavity down, third row from the firewal side.
Let me know if this works for you?

Posted on Apr 03, 2009

  • 7 Answers

SOURCE: where is the pcm on 1997 jeep grand cherokee 6 cyl?

I don't think the PCM is your problem, is the check engine light on? It could be you idle air control motor this is located on the throttle body, but because this happens while driving I am thinking you will need to replace your crank shaft position sensor it is located on the transmissinon bell housing it is very hard to replace without the correct tools. If the check engine light is on take it to a local auto parts store and ask if they can check the check engine codes for you they usally will do this for free.

Posted on Jun 03, 2009

  • 244 Answers

SOURCE: how do i reset my pcm on my jeep grand cherokee?

try disconnecting the NEGATIVE cable on the battery for 10-20 minutes. re-connect it. start the vehicle and drive it for a few miles to let the pcm reset. (make sure the key is off and out, just to make sure you don't fry something when you remove the negative-black wire cable!!). don't short it against the positive-red!
make sure the negative connector (on the cable) is isolated from the frame, or it will still be grounded! wrap some plastic around it, or something!
good luck!

Posted on Sep 22, 2009

emissionwiz
  • 76164 Answers

SOURCE: location of cam sensor 2003 jeep grand cherokee v8

Answer
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pic
REMOVAL - 4.7L
The Camshaft Position Sensor (CMP) on the 4.7L V–8 engine is bolted to the front/top of the right cylinder head (CMP Location—4.7L Engine).

It is easier to remove/install sensor from under vehicle.

Raise and support vehicle.
Disconnect electrical connector at CMP sensor (CMP Location—4.7L Engine).
Remove sensor mounting bolt (CMP Location—4.7L Engine).
Carefully twist sensor from cylinder head.
Check condition of sensor o-ring.
See picture for sensor location.


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Posted on Jul 21, 2010

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Hello, I'm looking for a replacement for my jeep cherokee 99, the current part number is Chysler P56041 629AD, I found a Chysler P56041 278AD, can this computer works ok with my cherokee?


THE PCM MODULE.
no country stated, the 728ad shows Europe. (why?)
"I found"

where, at ebay, at pick-apart, or ?
USA cars have 11 PCM for one engine. fact.
and 100s more world wide.
what a question, just a p/n
then you post to grand Cherokee and then text leaving out Grand.?
why?
i searched the part at jeep and is wrangle part, 629ad.

you do know that it must be reprogrammed to your car right:?
the pcms on cars can vary
by engine, trans opted , 4wd/2wd,and year.
federal PCM
Calif PCM
and mexico PCM
and 9 more. just for 1999

is yours 42RE for 45RFE?? tranny??? 30/32 RH? what?
post county (or state if calif)
post engine and year
post body and not contradict.?
post drive line, in car, tranny and if 4wd?
then we can match it up
or call jeep.com

they (jeep) will do this magical thing!
ask you the VIN.
and then look it up in their database.
and see ALL THE ABOVE even what radio is in it. of 5.
me, im a glass half full guy (hard knocks, reality stuff)
id not even believe the part in car is correct.
im too SAVVY !
i find out from jeep what it should have first.

not one matches the 4.0L in the GC.


the 629 posted shows this at jeep.com

JEEP WRANGLER 2.5L Power Tech I-4 Cyl., 3-Spd. Automatic 30RH 1998
JEEP WRANGLER 2.5L Power Tech I-4 Cyl., 5-Speed Manual 1998
JEEP WRANGLER 4.0L I6 Power Tech, 3-Spd. Automatic 32RH 1998
JEEP WRANGLER 4.0L I6 Power Tech, 5-Speed Manual 1998
(if true needs to be programmed to each)

the send number
56041 278AD

lands at.
(part not found, is this a non usa part?) im stumped

was fun to try.
but im stumped.

Mar 31, 2016 | 1999 Jeep Grand Cherokee

1 Answer

I have a Jeep grand cherokee Laredo where is the computer located?


99 to 2004 the pcm is on the firewall on the passenger side
behind the coolant overflow bottle. the bcm is inside the car driver side wear the fuses are

Sep 21, 2014 | Jeep Grand Cherokee Cars & Trucks

1 Answer

Where is the PCM located on a 1994 Jeep Grand Cherokee Ladaro


Hi.

The PCM module is located under the hood, on top of the firewall and near to the coolant reservoir.

Here all modules. Click on the picture to enlarge:

ginko_120.jpg


Here the PCM:

ginko_119.jpg

Jul 19, 2011 | 1994 Jeep Grand Cherokee

1 Answer

Stalls out just after starting or does not want to start


your problem is the crankshaft positioning sensor(CPS) located at the transmission bell house.had the same problem with my 99 jeep sport.the dealer said it was the pcm.but when i replaced the cps never had the recurring problem of engine stalling after 30 mins of driving.

Sep 20, 2010 | 1996 Jeep Grand Cherokee

1 Answer

Where is the fuel filter located, ona 99 jeep grand cherokee?


Hello,

There are 2 filters.
  1. One is on the end of the pickup tube inside of the gas tank.
  2. The second is in-line, above the front edge of the gas tank, inboard of the frame member. It is part of the fuel regulator/filter assembly.

Here's a diagram:
http://www.wjjeeps.com/misc/fuel_filter_wj.jpg

Take care.

Jul 24, 2010 | 1999 Jeep Grand Cherokee

1 Answer

99 jeep grand cherokee no start 4.0L no power to injectors no spark no communication with pcm


Check the auto shut down (ASD) relay located in the power distribution box.

Jul 23, 2010 | 1999 Jeep Cherokee

2 Answers

Where is the pcm located on a 1997 jeep cherokee


Removal & Installation
  1. Disconnect the negative battery cable.
  2. Remove the coolant reserve tank and disengage the three electrical connectors from the PCM.
  3. Remove the three PCM mounting bolts and carefully remove the PCM.
  4. Installation is the reverse of removal.

Apr 18, 2010 | 1997 Jeep Grand Cherokee

1 Answer

Problem with the tail light of a 99 Grand Cherokee Jeep


You can purchase new tail light lenses and they will come with new sockets, plugs, etc.

Mar 25, 2010 | 1999 Jeep Grand Cherokee

1 Answer

Where is the camshaft sensor located on my 99 Jeep Grand Cherokee


If you still have a cap rotor and ignition wires, it's inside the distributor. If not, it is the part where the distributor used to be (center rear of the engine behind the intake manifold)

Feb 19, 2010 | 1999 Jeep Cherokee

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