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  #37  
Old 11-12-2013, 10:20 AM
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Re: SAND driving - Have you had a problem with your GC?

Did you experience the SERV 4WD problem? No
What level of GC do you have? (Laredo, Limited, Overland, etc) Overland
What month and year was your GC built? Aug 2011
Which engine? (Hemi, V6, CRD) 5.7 Hemi
Which 4WD system? (Quadra-trak 2, Quadra-drive 2) Quadra Drive 2
Which Select Terrain setting do you use on sand? (Sand, Auto, 4WD Low, etc) - (This one may seem silly, but there may be members that dont use sand mode and dont have a problem) Sand
Which suspension? (Quadralift or standard) Quadralift
How many times have you taken your GC on sand? twice so far, going again this Fri
On average how long did you stay on the sand? All day

Long trips across the Qatari desert involving traversing multiple large sand dunes with some very soft sand in place and patches of sand flats with hard sand. Tyres aired down to 20psi on 20" standard rims. Not very experienced off-road driver but had no real issues with the GC except starting climbs too slowly and only getting half-way. Reverse out and try again with more momentum worked for me.

I did get a traction control warning light at the end of a days driving on sand but it cleared after a couple of miles on the road on the way home.
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  #38  
Old 11-12-2013, 10:39 AM
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Re: SAND driving - Have you had a problem with your GC?

I've been on the beach at least a dozen times with no problems.

Overland built 3/14, with HEMI, QL and QD2

I use either sand mode or auto, and OR1.

Stay on beach is 4 to five hours, but most of that time is spent fishing, not driving.


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  #39  
Old 01-07-2014, 10:32 AM
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Re: SAND driving - Have you had a problem with your GC?

Quote:
Originally Posted by Skycop View Post
Did you experience the SERV 4WD problem? No
What level of GC do you have? (Laredo, Limited, Overland, etc) Overland
What month and year was your GC built? Aug 2011
Which engine? (Hemi, V6, CRD) 5.7 Hemi
Which 4WD system? (Quadra-trak 2, Quadra-drive 2) Quadra Drive 2
Which Select Terrain setting do you use on sand? (Sand, Auto, 4WD Low, etc) - (This one may seem silly, but there may be members that dont use sand mode and dont have a problem) Sand
Which suspension? (Quadralift or standard) Quadralift
How many times have you taken your GC on sand? twice so far, going again this Fri
On average how long did you stay on the sand? All day

Long trips across the Qatari desert involving traversing multiple large sand dunes with some very soft sand in place and patches of sand flats with hard sand. Tyres aired down to 20psi on 20" standard rims. Not very experienced off-road driver but had no real issues with the GC except starting climbs too slowly and only getting half-way. Reverse out and try again with more momentum worked for me.

I did get a traction control warning light at the end of a days driving on sand but it cleared after a couple of miles on the road on the way home.
Update Jan 7, Went back again to the desert and drove about 2 hours in the sand with no problems then on the return drive home got the SERV 4WD error and lost drive to front wheels. Managed to keep going avoiding the deeper softer stuff but was very tail happy and close to bogging in a couple of times. Once back on the road after switching off to air the tyres the captions all cleared (also had traction control warning and ABS warning and one other). I have had the latest TSB updates done just a couple of months ago so this clearly does not fix the issue, and I am now nervous of going back again. If there is a certified fix I would love to know so I can get back to the dealer.
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  #40  
Old 01-08-2014, 04:35 AM
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Re: SAND driving - Have you had a problem with your GC?

Quote:
Originally Posted by Skycop View Post
Update Jan 7, Went back again to the desert and drove about 2 hours in the sand with no problems then on the return drive home got the SERV 4WD error and lost drive to front wheels. Managed to keep going avoiding the deeper softer stuff but was very tail happy and close to bogging in a couple of times. Once back on the road after switching off to air the tyres the captions all cleared (also had traction control warning and ABS warning and one other). I have had the latest TSB updates done just a couple of months ago so this clearly does not fix the issue, and I am now nervous of going back again. If there is a certified fix I would love to know so I can get back to the dealer.
This is the TSB you need done http://www.wk2jeeps.com/tsb/tsb_wk2_2100313.pdf . In the meantime, make sure you always start the car on hard stand not sand. In other words, don't turn the engine off while on soft sand. When the engine is started and the car driven off, the CPU calibrates the wheels as if the car is running on a hard surface. Starting off on soft sand throws the calibration out of whack and weird things happen.
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  #41  
Old 01-08-2014, 06:52 AM
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Re: SAND driving - Have you had a problem with your GC?

Hi BobT,

Many thanks for the information, I will check with the dealer although this TSB should already have been done when I took it there in Sep last year, but I'm sure it will be worth checking!

As for not starting on sand, that will be difficult. We drive down to the Inland Sea and there are no roads to get there. Its a very nice area and we spend the day swimming and chilling with a barbecue etc so are there for several hours, some stay for the weekend. It takes an hour at least to get there across the desert, some hard packed but the last sections are all soft sand and large dunes (up to 300 ft) but it would not be possible to leave the car engine running all day but I guess I can try driving off very carefully to start with and avoid spinning the tyres.

I will let everyone know how I get on.

Thanks again
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  #42  
Old 02-18-2014, 06:49 AM
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Re: SAND driving - Have you had a problem with your GC?

HI Guys, long time other brand 4wd owner. Decided to look at the GJC Laredo 06/13 Laredo CRD 4wd.

Took it for a test drive with the dealer on board and handled the road and hard rock track with ease.
Tried the sand track selected sand, low range. Lasted two car lengths then no power, oil pressure warning on the dash cam on and stalled multiple times.

No drive to wheels. when drive returned after several restarts bogged down to the sills.
Enjoyed trying to dig it out until a recovery vehicle came to snatch it out.

Have had two explanations from the dealer
1/ Low fuel, and it has an auto shut down to avoid damage. ( However we were on flat ground and drove it back to the dealer once recovered in undulating terrain without refuelling)

2/ Being a demo car it hadn't been through Pre delivery and therefore hadn't been upgraded by flashing the ECU to 4wd.
Anyone heard of this before?

interested in your thoughts or similar experiences.
  1. Did you experience the SERV 4WD problem?
  2. What level of GC do you have? GJC Laredo,
  3. What month and year was your GC built? 06/13
  4. Which engine? CRD 3.0
  5. Which 4WD system? Std
  6. Which Select Terrain setting do you use on sand? (Sand, Auto, 4WD Low, All Nothing worked.
  7. Which suspension? Standard
  8. How many times have you taken your GC on sand? Two car lenghts
  9. On average how long did you stay on the sand? Hours until recovered.

Love the chat and info sharing on this site and appreciate any assistance to help reassure me any of the above is irregular issue and / or I just experienced a lemon.
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  #43  
Old 02-19-2014, 05:13 AM
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Re: SAND driving - Have you had a problem with your GC?

Quote:
Originally Posted by Wayne68 View Post
HI Guys, long time other brand 4wd owner. Decided to look at the GJC Laredo 06/13 Laredo CRD 4wd.

Took it for a test drive with the dealer on board and handled the road and hard rock track with ease.
Tried the sand track selected sand, low range. Lasted two car lengths then no power, oil pressure warning on the dash cam on and stalled multiple times.

No drive to wheels. when drive returned after several restarts bogged down to the sills.
Enjoyed trying to dig it out until a recovery vehicle came to snatch it out.

Have had two explanations from the dealer
1/ Low fuel, and it has an auto shut down to avoid damage. ( However we were on flat ground and drove it back to the dealer once recovered in undulating terrain without refuelling)

2/ Being a demo car it hadn't been through Pre delivery and therefore hadn't been upgraded by flashing the ECU to 4wd.
Anyone heard of this before?

interested in your thoughts or similar experiences.
  1. Did you experience the SERV 4WD problem?
  2. What level of GC do you have? GJC Laredo,
  3. What month and year was your GC built? 06/13
  4. Which engine? CRD 3.0
  5. Which 4WD system? Std
  6. Which Select Terrain setting do you use on sand? (Sand, Auto, 4WD Low, All Nothing worked.
  7. Which suspension? Standard
  8. How many times have you taken your GC on sand? Two car lenghts
  9. On average how long did you stay on the sand? Hours until recovered.

Love the chat and info sharing on this site and appreciate any assistance to help reassure me any of the above is irregular issue and / or I just experienced a lemon.
The problem easily fixed. You should find all you need to know here: Grand Cherokee + sand = FAIL
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  #44  
Old 02-19-2014, 07:59 AM
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Re: SAND driving - Have you had a problem with your GC?

Quote:
Originally Posted by Wayne68 View Post
HI Guys, long time other brand 4wd owner. Decided to look at the GJC Laredo 06/13 Laredo CRD 4wd.

Took it for a test drive with the dealer on board and handled the road and hard rock track with ease.
Tried the sand track selected sand, low range. Lasted two car lengths then no power, oil pressure warning on the dash cam on and stalled multiple times.

No drive to wheels. when drive returned after several restarts bogged down to the sills.
Enjoyed trying to dig it out until a recovery vehicle came to snatch it out.

Have had two explanations from the dealer
1/ Low fuel, and it has an auto shut down to avoid damage. ( However we were on flat ground and drove it back to the dealer once recovered in undulating terrain without refuelling)

2/ Being a demo car it hadn't been through Pre delivery and therefore hadn't been upgraded by flashing the ECU to 4wd.
Anyone heard of this before?

interested in your thoughts or similar experiences.
  1. Did you experience the SERV 4WD problem?
  2. What level of GC do you have? GJC Laredo,
  3. What month and year was your GC built? 06/13
  4. Which engine? CRD 3.0
  5. Which 4WD system? Std
  6. Which Select Terrain setting do you use on sand? (Sand, Auto, 4WD Low, All Nothing worked.
  7. Which suspension? Standard
  8. How many times have you taken your GC on sand? Two car lenghts
  9. On average how long did you stay on the sand? Hours until recovered.

Love the chat and info sharing on this site and appreciate any assistance to help reassure me any of the above is irregular issue and / or I just experienced a lemon.
Sounds like it was a lemon. If it was the infamous serv 4wd error you would have seen the message displayed on the EVIC. Whatever the problem was it must be related to the oil pressure warning you saw...
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  #45  
Old 02-21-2014, 05:38 PM
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Re: SAND driving - Have you had a problem with your GC?

This might be relevant:
Jeep Grand Cherokee, Commander four-wheel drive problems unrelated to N23 recall, Chrysler says - Autoweek
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  #46  
Old 02-24-2014, 08:11 PM
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Re: SAND driving - Have you had a problem with your GC?

Hi Team,

Followed up with the dealer on the weekend. Test drove the same vehicle on the same terrain, no problem at all. Creamed the silt / sand. Impressive in standard format with the tyres down to 1.7 Bar.

Dealer explained that the vehicle had not been "programmed / flashed with the latest TSB settings for 4x4 mode" as this was done as part of the standard pre delivery.

Still didn't explain the low oil pressure issue. Yet it didnt ocurr on the latest test drive.

Anyone else experienced the low oil pressure warning?
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  #47  
Old 02-25-2014, 03:56 AM
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Re: SAND driving - Have you had a problem with your GC?

Quote:
Originally Posted by Wayne68 View Post
Hi Team,

Followed up with the dealer on the weekend. Test drove the same vehicle on the same terrain, no problem at all. Creamed the silt / sand. Impressive in standard format with the tyres down to 1.7 Bar.

Dealer explained that the vehicle had not been "programmed / flashed with the latest TSB settings for 4x4 mode" as this was done as part of the standard pre delivery.

Still didn't explain the low oil pressure issue. Yet it didnt ocurr on the latest test drive.

Anyone else experienced the low oil pressure warning?
Good to hear they did the sand fix. I can't see that the low oil pressure warning would have anything to do with sand traction but who knows how these things work these days. My guess is that the oil level was low. Did anyone check the dip stick?
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  #48  
Old 03-03-2014, 09:23 AM
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Re: SAND driving - Have you had a problem with your GC?

Hey guys I've got a 2012 5.7 limited grand Cherokee and I go off-roading in sand a lot and not the kind of sand you have in the US I'm in Egypt and I use the car in the great sand sea so we are talking extremely soft sand... So far QL works fine so I'm guessing some cars have problems but not all thank god
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