Question about Jeep Grand Cherokee

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Will1999 wrangler tj 4.0 engine intercange with 2002 grand cherokee 4.0

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Hello,

You need to call a Dodge dealer, have the VIN info from both Jeeps, they will tell you what will and will not work, if they dont call another Jeep & or Dodge dealer.

To my understanding only some sensor placement differences make these engines different.

For sure the 02 WJ intake will make more power then the 99, it will be worth it to make that intake fit.

Good Luck!

Hope this helps.

Posted on Dec 29, 2010

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Posted on Jan 02, 2017

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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

What causes check engine light only comes on sometimes and 2002 jeep to run rough


sounds like it needs a full tune up.you can go to any auto zone and they will run diagnose for free

Aug 07, 2014 | 2002 Jeep Grand Cherokee

1 Answer

Have 2002 jeep wrangler and grand cherokee both have engine light on and have a code 455 what is it?


It is a leak in the return lines (fuel vapor flow) to the fuel tank could even be a defective non sealing gas cap!!!
Have it checked fumes escaping are not safe.

Aug 26, 2010 | 2002 Jeep Grand Cherokee

1 Answer

Hi! I am changing a clutch on a 2002 Jeep TJ (4.0L Manual). How can I separate the Bell Housing from the engine block? All the bolts/screws have been removed, including both drive shafts & shift....


There are two bolts way up on the bellhouseing near the head connecting to the engine. You should have at least 4 bolts from the block alone, along with others.

Dec 18, 2009 | 2002 Jeep Wrangler

1 Answer

Torque spec for ring and pinion gear (RING BOLTS) 1997 wrangler TJ


Ring Gear Bolts

Models 181, 186 & 194 Axle 70-90 (95-122)
Model 198 Axle 95-105 (129-142)
Models 216 & 226 Axle 80 (108)
8 1/4" Ring Gear (Cherokee) 70 (95)

Oct 12, 2009 | 1997 Jeep Wrangler

2 Answers

2002 jeep grand cherokee 4.0 liter irregular idle. When I start my jeep it idles high and low and revs up and down and then the idle finally settles. After it settles, the engine kind of hiccups and a...


You haven't changed everything...map sensor controls spark and fuel mixture as does the throttle position sensor, also check the idle control valve...Don't just buy stuff...do testing first.

Sep 06, 2009 | 2002 Jeep Grand Cherokee

1 Answer

Losing power 98 TJ wrangler


Sounds as if converter on exhaust is getting plugged up. have it checked and replaced. That will force exhaust out ahead of it where ordinarily it would flow with less pressure. Oil leak is a separate item.

Jun 28, 2009 | 1992 Jeep Cherokee Sport

2 Answers

Where can i find the transmission model number for my 95 jeep grandcherokee lerado the transmission is not original it has been replaced with a diferent one 2 times so just need to know where to find the...


These pages cover the transmissions used in Jeeps over the years. Transmissions are arranged by the most recently introduced transmissions first.
Factory Transmissions 45RFE: The 45RFE four speed automatic transmission was used in 1999 Jeep Grand Cherokees with 4.7L engines. 46RE: The 46RE four speed automatic transmission was used in 1998 Jeep Grand Cherokees with 5.9L engines.
44RE: The 44RE four speed automatic transmission was used in 1996 to 1998 Jeep Grand Cherokee's with 5.2L engines.
42RE: The 42RE four speed automatic transmission was used in 1993.3 to 1998 Jeep Grand Cherokees with 4.0L engines.
46RH: The 46RH four speed automatic transmission was used in 1993 to 1995 Jeep Grand Cherokees with 5.2L engines.
32RH: The 32RH three speed automatic transmission was used in 1992 to 1995 Wrangler with 4.0L engine and it continues to be used in 1997+ Wrangler with 4.0L engine.
30RH: The 30RH three speed automatic transmission was used in 1992 to 1995 Wrangler & 1992 to 1996 Cherokee with 2.5L engine.
AW4: The AW4 four speed automatic transmission was used in 1987 to 1990 Jeep Cherokee (XJ), & Jeep Comanche with 2.5L & 4.0L engines. The AW4 was also used in 1987 through 1992 Jeep Comanche & 1991 through 1998 Jeep Cherokee & 1993 through 1993.5 Jeep Grand Cherokee with 4.0L engines.
AX-15: The AX-15 is a medium duty 5 speed manual transmission. It was introduced in mid 1989 in YJs with the 4.2L engine and XJs and MJs with this engine. The first year of the Grand Cherokee (ZJ), the AX-15 was rare option only with the 4.0L engine. The AX-15 is still used in TJs and XJs with the 4.0L engine.
AX-5: The AX-5 (and AX-4, the non-overdrive version) is a light duty 5 speed manual transmission. It was used in all Wranglers from 1987 equipped with the 2.5L I4 engine. It was also used in Cherokees (XJ) and Comanches (MJ) with the 2.8L V6 and 2.5L I4.
BA10/5: The BA 10/5 is a light duty 5 speed manual transmission. It was used in all 4.2L equipped Wranglers (YJ) from 1987 to mid-1989, and all 4.0L Cherokees (XJ) and Comanches (MJ) for the same years.
T-5: The T-5 is a light duty 5 speed transmission used in CJs from 1982 until 1986. It was also found in some 84-85 Cherokees (XJ).
TF727: The TF 727 is a heavy duty 3 speed automatic used in full sized Jeeps (SJs and J series pickups) from 1980-1983. From 1984-1992 the 727 was only used in these trucks with the AMC 360 V8.
999: The 999 is a medium duty 3 speed automatic used in CJs from 1980-1986. It was also used in 1984-1990 SJs and J pickups with the 4.2L engine, in the YJ from 1987-1991 with the 2.5L and 4.2L engine, and in the XJ and MJ through 1986.
904,909: The 904 and 909 are light duty 3 speed automatic used in CJs from 1980-1986 only with the I4 engine. It was also used during this time period with XJs and MJs with the I4 and V6 engine. The 909 is a 904 with a lock-up torque converter.
SR-4, T-4: The SR-4 and T-4 are light duty four speed manual transmissions used in CJs from 1980 until 1986.
T-176, T-177, T-178: The T-176, T-177, and T-178 are a medium duty four speed manual transmission used in Jeep CJs, SJs, and J pickups from 1980-1986.
T-150: The T-150 is the 3 speed manual transmission that was used in CJs from 1976 to 1979.
T-18: The T-18 is a heavy duty four speed used in Jeeps from 1971 until 1981. It was only used in the CJ from 1971-1979.
T-15: The T-15 was used only in V8 equipped CJs and Jeep trucks from 1972 to 1975.
TH400: The TH 400 is a heavy duty three speed automatic that was used in CJs with the BW 13-39 transfer case from 1976-1979. The TH 400 was also used in full sized Jeeps (SJs and J series pickups) from the late 60s until 1979.
T-14: he T-14 is a three speed transmission used with the "Dauntless" Buick V6 and AMC I6 from 1967 to 1975.
T-86: The T-86 is one of the three speeds used with the many CJs and Jeepster Commandos with the "Dauntless" Buick V6.
T-98: The T-98 varies only slightly from the T-18. It was used from the 50s until 1970 in different Jeeps.
T-90: The T-90 was the standard three speed for CJ and their military counterparts built from 1945 until 1971. It was also the standard transmission for Willys Wagons, Willys Pickups, FC trucks, and Jeepster/Commandos during this time period.
T-84: The T-84 is a light duty three speed used in MBs and GPWs during WWII

Good luck!!!

Jun 26, 2009 | 1995 Jeep Grand Cherokee

1 Answer

Broken front coil spring


There were a lot of differences between a 98 TJ (Wrangler) and a 95 ZJ (Grand Cherokee). The grand cherokee is much heavier. Now might be the time for those "Off Road" upgrades you've been waiting on. And it is a good excuse.
Have a nice day!

Mar 25, 2009 | 1995 Jeep Grand Cherokee

2 Answers

Overheatig


the relays are in the engine compartment fuse box take a peak at them and look unsder your dash as well /Please rate my response thank you very much

Jan 31, 2009 | 2002 Jeep Grand Cherokee

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