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1999-2004 Grand Cherokee #5143214
06/24/19 09:42 PM
06/24/19 09:42 PM
Joined: Dec 2017
Posts: 4,617
SE British Columbia, Canada
Snagglefoot Offline OP
Snagglefoot  Offline OP

Joined: Dec 2017
Posts: 4,617
SE British Columbia, Canada
I”m looking for an older Grande Cherokee, probably with 100,000 or more miles. What engine has the best chance for longevity, the 4.0 six or the 4.7 V-8. Thanks. smile


If you want the job done right......do it yourself.
Re: 1999-2004 Grand Cherokee [Re: Snagglefoot] #5143222
06/24/19 09:48 PM
06/24/19 09:48 PM
Joined: Oct 2005
Posts: 4,587
Kansas
Kruse Offline
Kruse  Offline

Joined: Oct 2005
Posts: 4,587
Kansas
The 4.0 engine that has had the cylinder replaced with a TUPY head is probably the most reliable. The late 90s-early 2000s 4.0 engines had a tendency to crack the head.

Re: 1999-2004 Grand Cherokee [Re: Snagglefoot] #5143224
06/24/19 09:49 PM
06/24/19 09:49 PM
Joined: Aug 2011
Posts: 2,293
Lakeside, CA
Blkstanger Offline
Blkstanger  Offline

Joined: Aug 2011
Posts: 2,293
Lakeside, CA
I have over 200,000 miles on my 4.7. This thing still runs like new. I pull down better mpg then the 4.0 guys. Though I am not knocking the 4.0. They are a stout engine that I wouldn't discount. If I were you I'd look at the over all condition of the WJ and take whatever engine happens to be in it as long as it's running good.


99 Jeep WJ 4.7 200,000mi. Maxlife 10w30, Fram Ultra.
Re: 1999-2004 Grand Cherokee [Re: Snagglefoot] #5143226
06/24/19 09:54 PM
06/24/19 09:54 PM
Joined: May 2012
Posts: 6,709
Fort Lauderdale, FL
DoubleWasp Offline
DoubleWasp  Offline

Joined: May 2012
Posts: 6,709
Fort Lauderdale, FL
My oh my. Where to start. Someone else will chime in with better specifics, but:

4.0 had a head that was too porous, and also pistons that lost their skirts. There is a way to find out if an engine had either. Avoid those two engines, and you'll be fine. My 00 4.0 WJ has 252k miles on it.

4.7 suffered from dropping valve seats. Some say this only happened under overheating, but I've heard of these events happening out of nowhere.

Transmissions were neither the best or the worst.

Replace the upper control arm bushings on the axle side. Factory pieces are garbage. Factory style replacements are garbage. I've destroyed a new set of them from only 2 days in the bush.

Iron Rock Off-road sells some serious duty versions, but I went with Johnny Joints.


07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio
Re: 1999-2004 Grand Cherokee [Re: Snagglefoot] #5143241
06/24/19 10:16 PM
06/24/19 10:16 PM
Joined: Dec 2013
Posts: 3,357
Fort Worth, Texas
clinebarger Offline
clinebarger  Offline

Joined: Dec 2013
Posts: 3,357
Fort Worth, Texas
The Hydraulic Cooling Fan found on some of the 4.7L can be fun when they act up.....You can't buy the PWM Spool Valve separately!!

PCM failures....Very common.

Oil Pressure sending units leaking.

Aluminum center section Dana 44.....Seen many of these with problems!

My mother had a 2wd 2001 Grand Cherokee Limited with a 4.7L/545RFE, Other than the Hydraulic cooling fan & 2 PCM failures....It was reliable for 200K. It was given to my sister & didn't last a month because it drank oil....Always did but got worse as miles accumulated.


2001 Chevy Camaro L92/4L80E
2006 Chevy 2500HD LBZ/Allison 1000
2010 Toyota Corolla 2ZR-FE/U341E
2000 Toyota Avalon 1MZ-FE/A541E
Re: 1999-2004 Grand Cherokee [Re: Snagglefoot] #5143262
06/24/19 10:44 PM
06/24/19 10:44 PM
Joined: Jun 2003
Posts: 19,172
Apple Valley, California
Chris142 Offline
Chris142  Offline

Joined: Jun 2003
Posts: 19,172
Apple Valley, California
That era grand cherokee is one of the worst ever produced. As a jeep owner I would not own one. The 99-01 six cylinder has head cracking problems. They also may break a piston for no obvious reason.
The piston problems went into the 04 year or so.

Hopefully being around 15+ years has weeded out the troubled ones.

The 4.7 has valve seat problems. There is no such thing as a good used 4.7.

Blend doors,leaking evaporators are common with both engines.


02 Wrangler traveler sae30
87 F250 Valvoline 15w40
07 fjcruiser Chevron 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor Chevron sae30
Re: 1999-2004 Grand Cherokee [Re: Snagglefoot] #5143353
06/25/19 01:50 AM
06/25/19 01:50 AM
Joined: Jun 2017
Posts: 222
NY
DdDd Offline
DdDd  Offline

Joined: Jun 2017
Posts: 222
NY
Do you hate life?

Those things were crap from the dealers lot. I can't imagine two decades later they aged like a fine wine. Although you may hear several whines from the transmission!

Stick to a nice (and equally cheap) late model with warranty or the wrangler/Cherokee. Grand had too many electronics to trust Chrysler with.

They needed federal bailout money for a reason... you're looking to buy that reason.

Re: 1999-2004 Grand Cherokee [Re: Snagglefoot] #5143427
06/25/19 06:46 AM
06/25/19 06:46 AM
Joined: Aug 2010
Posts: 6,550
Champlain/Hudson Valley
Kira Offline
Kira  Offline

Joined: Aug 2010
Posts: 6,550
Champlain/Hudson Valley
For the 15 years my sister drove 2 XJ's (an '88 and a '99) every parts request was followed by the counterman asking, "That's a Cherokee NOT a Grand Cherokee, right?"
I'd confirm it was a Cherokee and they always exhaled a sigh of relief. Then they'd mention how bad GC's were.

Don't touch it.

Re: 1999-2004 Grand Cherokee [Re: Kira] #5143464
06/25/19 07:43 AM
06/25/19 07:43 AM
Joined: Jun 2003
Posts: 19,172
Apple Valley, California
Chris142 Offline
Chris142  Offline

Joined: Jun 2003
Posts: 19,172
Apple Valley, California
Originally Posted by Kira
For the 15 years my sister drove 2 XJ's (an '88 and a '99) every parts request was followed by the counterman asking, "That's a Cherokee NOT a Grand Cherokee, right?"
I'd confirm it was a Cherokee and they always exhaled a sigh of relief. Then they'd mention how bad GC's were.

Don't touch it.

LoL! I agree with them.


02 Wrangler traveler sae30
87 F250 Valvoline 15w40
07 fjcruiser Chevron 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor Chevron sae30
Re: 1999-2004 Grand Cherokee [Re: Blkstanger] #5143466
06/25/19 07:48 AM
06/25/19 07:48 AM
Joined: Apr 2018
Posts: 477
US
talest Offline
talest  Offline

Joined: Apr 2018
Posts: 477
US
Originally Posted by Blkstanger
I have over 200,000 miles on my 4.7. This thing still runs like new. I pull down better mpg then the 4.0 guys. Though I am not knocking the 4.0. They are a stout engine that I wouldn't discount. If I were you I'd look at the over all condition of the WJ and take whatever engine happens to be in it as long as it's running good.


Better a 4.0 than a 5.2 ...

Oh you're talking 99-04. Well having owned a 2000 GC that had the transmission replaed under warranty at something like 45,000 miles I can say it was a pretty-looking and comfortable garbage can. Sort of like a Cadillac. Had the 4.0. The Laredo had the different color lower side moulding; some preferred that, some preferred the Limited. I liked the Laredo with every option.

Re: 1999-2004 Grand Cherokee [Re: Snagglefoot] #5143473
06/25/19 07:56 AM
06/25/19 07:56 AM
Joined: Jun 2003
Posts: 19,172
Apple Valley, California
Chris142 Offline
Chris142  Offline

Joined: Jun 2003
Posts: 19,172
Apple Valley, California
If you still have your heart set on a grand find a 98 or older with the 4.0. This era of the 4.0 is the one that became famous for reliability. At least when you get fed up with the grands problems the engine won't be one of them. A wrangler owner will buy the grand as a donor for his engine swap into his wrangler.


02 Wrangler traveler sae30
87 F250 Valvoline 15w40
07 fjcruiser Chevron 10w30
Z400 castrol T 10w40
Can am maveric edge 5w40
57 case tractor Chevron sae30
Re: 1999-2004 Grand Cherokee [Re: Chris142] #5143567
06/25/19 09:56 AM
06/25/19 09:56 AM
Joined: Apr 2010
Posts: 4,977
Storrs, Connecticut
jeepman3071 Offline
jeepman3071  Offline

Joined: Apr 2010
Posts: 4,977
Storrs, Connecticut
Originally Posted by Chris142
If you still have your heart set on a grand find a 98 or older with the 4.0. This era of the 4.0 is the one that became famous for reliability. At least when you get fed up with the grands problems the engine won't be one of them. A wrangler owner will buy the grand as a donor for his engine swap into his wrangler.



This.

Having worked on several Jeeps over the years I would try to find a good condition ZJ (1993-1998) with the 4.0L. Probably the best Grand Cherokee ever made, and still a very comfortable and capable vehicle. Or I'd look for a Cherokee XJ.


2000 Jeep Cherokee 4.0L (182k) - Pennzoil 10w30, Napa Gold 1516, Magnefine trans filter
2009 BMW 328i (43k) - Castrol Edge Euro 0w40, MANN HU816X
Re: 1999-2004 Grand Cherokee [Re: Snagglefoot] #5143569
06/25/19 10:00 AM
06/25/19 10:00 AM
Joined: Jun 2011
Posts: 7,266
Mahzurrah!
KCJeep Offline
KCJeep  Offline

Joined: Jun 2011
Posts: 7,266
Mahzurrah!
Surprised at all the hate for these but admittedly the early years were problematic. I drove one for 7 years and it was a good Jeep, like all my others have been. Not a Corolla by any means but hardly the spawn of [censored] either.

The newest of these are now 15 years old so age is catching up with them but I still see them EVERYWHERE they can't be that bad.

My suggestion would be an 03 or 04 Laredo with the I-6 and Selec Trac, the lowest miles you can find and this is HUGE check for prior maintenance. Many of the WJs were sold to non-Jeep soccer mom types and they did not know how (or care to) maintain one. Ask about tranny service, when you get a blank stare you'll know that differentials and transfer cases were for sure never done either. Not good.


2018 VW Passat GT VR6 - 11k - Castrol Professional 5w40 - VW OEM filter
2012 KIA Sedona 100k - PP HM 10w30
2009 Ford Focus 138k - Valvoline 5w30
2004 Jeep Grand Cherokee, gone but not forgotten.
Re: 1999-2004 Grand Cherokee [Re: Snagglefoot] #5143572
06/25/19 10:06 AM
06/25/19 10:06 AM
Joined: Dec 2016
Posts: 143
NC
ruhroh Offline
ruhroh  Offline

Joined: Dec 2016
Posts: 143
NC
Out of those 2 engine choices, the 4.0.

I wouldn't get either, to be honest and I have one of them. Bought a 99 GC 4.0 with 80-something K miles and now it's at 252K-ish. Poor transmission, poor cooling system, poor quality of parts overall. I think my blower motor was wired in reverse from the factory. Now the AC compressor locks on at times even though the cabin switch is off.

I used to think it'd make life interesting and perhaps even fun to do some repairs on a vehicle once in awhile. Yeah, that enthusiasm died many repairs ago with this vehicle. That said, the engine even with a crack-prone head hasn't died yet and still runs smooth, and despite being hit by 4 cars over its lifetime, it's still kicking. In the end, I've certainly got my money's worth and more out of it.

Go with XJ if you have to have a Jeep.

Re: 1999-2004 Grand Cherokee [Re: KCJeep] #5143890
06/25/19 04:10 PM
06/25/19 04:10 PM
Joined: May 2012
Posts: 6,709
Fort Lauderdale, FL
DoubleWasp Offline
DoubleWasp  Offline

Joined: May 2012
Posts: 6,709
Fort Lauderdale, FL
There is a lot of WJ hate that exist for no tangible reason. If we're going to get into it, there isn't anything that jeep has made that didn't have issues of some sort. Even some of the most legendary Jeeps are legendary for rusting out pretty much just from looking at them.

within the wide world of jeeps, you are going to find people who are a little extreme about their preference of Jeep you are going to find XJ people who usually hate anything that is not an XJ, people who have stick shift Jeeps that universally hate any jeep that ever came with an automatic, and a WJ gets the nasty spot light thrown on it because it was considered to be the beginning of the end for the so-called pure Jeep.

Even when I go into the bush with other Jeep people, and I am able to keep up with everything that there are wranglers are doing, I still get told how my truck is actually just a minivan.

Off road trucks has become as much about image, preference, and concept as it has actual function. When I really load up the gear and have to take one of my four wheel drive diesel Rams, I get nothing but fist pumps and thumbs up. I find this extremely odd because my WJ when it was bone stock would run circles around either of my Rams with the WJ set in 2 wheel drive high.

I chose a WJ over and XJ or a Wrangler because it is distinctly more versatile, and definitely more comfortable while giving up little against either of those trucks. it's also a good deal easier to find a WJ at a reasonable price than it is either of the other trucks. in the quarter million miles of this trucks life, I have been given no reason at all to regret my purchase. Naturally, the Chrysler transmission needed to be rebuilt at about the 210,000 mile mark, but otherwise has had no major issues.


07 Lincoln Navigator M1 0w-40/FU
68 Charger R/T / Supercharged 440 VR1/DBL7349
07 Ram 3500 4x4 / Cummins 6.7 /DBL7349
17 Maserati GranTurismo Cabrio
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