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Old 14-05-2018
samft  samft is offline
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Default JK CRD Big End Failures

Hi All,

We have noticed a reasonable number of JK CRD big end issues showing up on the forum.

If your CRD has experienced a big end failure please list details of it here. If we get enough replies then a trend may appear, helping others to avoid the issue.

To begin with this thread should focus mainly on big end failures so please try and keep things specific.

Details of interest include (but not limited to):

Failure type
Model Year
Kms at time of failure
Gearbox type
Any ECU tune installed
Any EGR removal
Catch can installed
General Service interval
Oil weight and type used
Location
Tyres size and diff ratios
% time spent used under reasonable load, i.e. towing or with significant weight on board

ADDED:
kms on odometer when purchased
Transmission cooler added? (if so, location?)

Cheers

Last edited by samft; 18-05-2018 at 10:26 PM.
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Old 14-05-2018
samft  samft is offline
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This are Gus's details posted in another thread

Quote:
Originally Posted by gusthewonderslug View Post

Failure type? Big end failure #3
Year? 2010
Kms? 140000
Gearbox? Auto
Tune? GDE
EGR removal? Yes through tune
Catch can? Yes provent
Service interval? 7/10,000
Oil weight and type used? Castrol Synthetic 10/30
Location? Western Aust
Tyres and diff ratios? 285/70r17 Stock diffs
Distance into trip 600km
Distance since previous oil change 700km
Speed at failure 110kph
Tell tales prior to failure nil
Codes thrown nil
% of high load 5%
Load at failure 2 people plus camping gear
Grill obstruction, Bullbar with spotlights
Trans cooler fitted No
Exhaust mods 3” dump pipe, rear muffler replaced
Ambient temp at time of failure 15’c
  #3  
Old 14-05-2018
markwiseguy  markwiseguy is offline
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Failure type? Big end failure
Year? 2010
Kms? 144000
Gearbox? Auto
Tune? GDE
Catch can? Yes provent
Service interval? 7.5k kms
Oil weight and type used? Penrite 10/40 enviro+[IIRC]
Location? SA - cooper pedy
Tyres and diff ratios? 285/70r17 Stock diffs [rear factory locker]
Distance into trip 900km
Distance since previous oil change 1100km
Speed at failure 110kph [cruise control]
Tell tales prior to failure nil
Codes thrown nil
Load at failure - 2800kg/2900kg
Grill obstruction - Grumper with winch
Trans cooler fitted - yes
Exhaust - factory, muffler delete
Ambient temp at time of failure - 30ish

YouTube: Sidetracked Australia for the failure.
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  #4  
Old 14-05-2018
samft  samft is offline
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Mark, how many kms were on the Jeep when you bought it?

Gus, I think you bought yours brand new right?
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Old 15-05-2018
gusthewonderslug  gusthewonderslug is offline
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Yup from new
  #6  
Old 17-05-2018
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josh9465  josh9465 is offline
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See below for my CRD details.

Quote:
Originally Posted by samft View Post


Failure type #3 piston crank bearing
Model Year 2009
Kms at time of failure 144,000
Gearbox type auto
Any ECU tune installed EcuWest tune
Any EGR removal EGR blocked
Catch can installed yes
General Service interval 10,000km was serviced at 140,000
Oil weight and type used Penrite 10w 40
Location Driving from Perth to Denmark engine started to make a very loud ticking noise at Arthur River. Did notice I had higher coolant temperatures than normal (scan gauge). Not towing. Didn’t really have much weight in car.
Tyres size and diff ratios 285/75R17 ratios 4.88
% time spent used under reasonable load, i.e. towing or with significant weight on board

About 29C on that day

ADDED:
kms on odometer when purchased 113,000

Cheers
__________________
2009 JKU CRD Auto
2P1S
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Last edited by josh9465; 17-05-2018 at 08:45 AM.
  #7  
Old 17-05-2018
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kx steve  kx steve is offline
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I bet most of the engine failures will of had the ecu tuned.


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