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PB -PC Challenger 2009 - 2014 Covering 2.5 HP diesel

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  #61  
Old 06-05-19
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nj swb nj swb is offline
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Originally Posted by Leons pb View Post
Update...

Went to radiator specialist and had it removed and checked.
He found radiator to be at least 60% blocked and small crack in top.
I opted for new radiator and have given it a good test over the weekend.
Very happy with results, gauge did not move on climbs that previously went into limp mode.
That's a good result, thanks for posting the outcome.

Any theories for how / why the radiator was so badly blocked after 35,000 km? Understanding the source of your problem might help others avoid it.

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Project: NJ SWB. 285/75R16 ST Maxx, 2" OME suspension, 2" body lift, ARB 110, 120l tank, bullbar, scratches, no major dents. Fully engineered in SA. NW DiD & auto in place - a long way to go....
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  #62  
Old 06-05-19
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Quote:
Originally Posted by Leons pb View Post
Update...

Went to radiator specialist and had it removed and checked.
He found radiator to be at least 60% blocked and small crack in top.
I opted for new radiator and have given it a good test over the weekend.
Very happy with results, gauge did not move on climbs that previously went into limp mode.
Good news Leon.
Did the radiator specialist give a reason why the radiator had reduced flow even though it was only 35,000k old?
Was it gelling through mixing coolants?

OJ.
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2011 PB Base White Auto, Smartbar, Cooper STMaxx LT235/85R-16,TPMS, HR TB, 3 x Bushskinz, front +40mm Dobinson , rear +50mm EHDVR Lovells, Dobinson MT struts and shockers, Peddars 5899 cone springs, Windcheater rack, GME UHF, Custom alloy drawer system inc. 30lt Engel & 2 x 30 AH LiFePo batteries + elec controls, Tailgate hi-lift/long struts, Nightbreaker +130LB & Phillips +100 HB, Lightforce 20" single row driving beam LED lightbar, Scanguage II.
MM4x4 Auto Mate, Serial No 1 .
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  #63  
Old 07-05-19
Leons pb Leons pb is offline
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Sorry I didnít ask for a reason why it was blocked, just happy itís fixed.
I have owned for last 25k and have noticed overheating the whole time when doing any soft sand or steep hill climbs.
Donít know history other than it was set up for touring and towing.

After overheating on the beach and a few times on highway hills
I took it to Mitsubishi to get serviced and told them to check all the cooling system as I was concerned about it.
Service came back good no issues so was pretty happy as second owner.
They pressure checked the system for leaks and did a coolant flush for me.

Since the issue was still there I assumed Iíd have to put up with it and adjust my driving style to suit as lots of others had similar issues.

So I upgraded intercooler, installed automate and engine data scanner to monitor temps and ease off if it started getting up too high.

Got sick of watching the gauge all the time so came here for advice because it just didnít seem right to have to put up with it.

I guess before thinking the worst get the radiator removed and cleaned or replaced before spending on other things, not that I regret getting automate it really makes a big difference to drivability.

Thanks O.J and others for helping diagnose the problem
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  #64  
Old 07-05-19
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I had been thinking it was a coolant flow problem but since the radiator was near new and had had a MM dealer flush and check the next step was to suggest changing the water pump. I do not know of an accurate way to check the flow rate of the cooling system in situ, does anyone know if this is possible?

OJ.
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2011 PB Base White Auto, Smartbar, Cooper STMaxx LT235/85R-16,TPMS, HR TB, 3 x Bushskinz, front +40mm Dobinson , rear +50mm EHDVR Lovells, Dobinson MT struts and shockers, Peddars 5899 cone springs, Windcheater rack, GME UHF, Custom alloy drawer system inc. 30lt Engel & 2 x 30 AH LiFePo batteries + elec controls, Tailgate hi-lift/long struts, Nightbreaker +130LB & Phillips +100 HB, Lightforce 20" single row driving beam LED lightbar, Scanguage II.
MM4x4 Auto Mate, Serial No 1 .

Last edited by old Jack; 1 Week Ago at 10:21 PM. Reason: spelling correction
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  #65  
Old 1 Week Ago
Steve76 Steve76 is offline
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I had the issue of coolant getting pumped out the overflow bottle after towing my camper for about 2 hours in my 2012 pb . It didn't overheat , I stopped in time . I let in cool down and refilled radiator and was fine after that . I booked it in at the local Mitsubishi dealer for a stress test . Which it failed . A goodwill claim was put in to Mitsubishi. 2 weeks later I got a call saying they would replace the engine , new long motor . Was great service , the original motor had done 205k . Never been serviced at a Mitsubishi dealer . Very happy with that outcome .
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  #66  
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Quote:
Originally Posted by Steve76 View Post
I had the issue of coolant getting pumped out the overflow bottle after towing my camper for about 2 hours in my 2012 pb . It didn't overheat , I stopped in time . I let in cool down and refilled radiator and was fine after that . I booked it in at the local Mitsubishi dealer for a stress test . Which it failed . A goodwill claim was put in to Mitsubishi. 2 weeks later I got a call saying they would replace the engine , new long motor . Was great service , the original motor had done 205k . Never been serviced at a Mitsubishi dealer . Very happy with that outcome .
Thanks for sharing. Great outcome, great customer service from MMAL

OJ.
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2011 PB Base White Auto, Smartbar, Cooper STMaxx LT235/85R-16,TPMS, HR TB, 3 x Bushskinz, front +40mm Dobinson , rear +50mm EHDVR Lovells, Dobinson MT struts and shockers, Peddars 5899 cone springs, Windcheater rack, GME UHF, Custom alloy drawer system inc. 30lt Engel & 2 x 30 AH LiFePo batteries + elec controls, Tailgate hi-lift/long struts, Nightbreaker +130LB & Phillips +100 HB, Lightforce 20" single row driving beam LED lightbar, Scanguage II.
MM4x4 Auto Mate, Serial No 1 .
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