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Home > Puma (Tdci) > Still with problems in high temps :cry:

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Eduardo Member Since: 28 Aug 2008 Location: Región Metropolitana Posts: 2110

Still with problems in high temps :cry: Hi there! Despite the change of the intercooler for a larger one and the new BAS remap I suffered again the problem of high temperatures and the safety management strategy. The problem happened during this weekend with temps near 30°C with no more than 250 kg load (just 2 persons, 2 childs and the empty roof rack). We were in a uphill of approximately 12 km with an slope of 3 mt every 100 mt at speed between 110-120 kph. At the end of the slope the temp gauge goes up to the red zone very fast and the management strategy started. After few seconds we stop the car and the temperature come down very fast too (taking 5-10 second to goes up and goes down). Im concern now about what happens during the vacation period with the car fully loaded at high altitudes and towing our folding camper (1.5 ton). Any thougths about what can I check? Cheers Eduardo MY 2007 110 SW PUMA 2.4: Big Fog of 64' MY 1994 Jayco 1207 Folding camper: "El Tremendo" Click image to enlarge

27th Nov 2013 3:48pm

Porny Site Sponsor Member Since: 31 Aug 2009 Location: Sutton Coldfield - West Midlands Posts: 809

I would personally start from scratch and put everything back to standard and repeat the drive (test). You need to reduce the number of variables and start a known base line. Ian IRB The home of the first modified Keswick Green 90 - and the first 2.4 Puma through both the 200bhp and 550Nm barriers. www.IRBdevelopments.com www.facebook.com/irbdevelopments www.integrated316.com www.facebook.com/integrated316

27th Nov 2013 5:09pm

Eduardo Member Since: 28 Aug 2008 Location: Región Metropolitana Posts: 2110	Ian, Thanks for your prompt answer. This is an old history. The problem started time ago when I dont have installed the remap and the intercooler and the situation was the same: High temps at 110-120 km/hr under load (uphill or loaded) produce the cut off, Cheers Eduardo MY 2007 110 SW PUMA 2.4: Big Fog of 64' MY 1994 Jayco 1207 Folding camper: "El Tremendo" Click image to enlarge
27th Nov 2013 5:47pm

Norm4n Member Since: 31 Aug 2012 Location: Surrey Posts: 329	So a 3% incline, ie gentle slope. Do these cooling systems have a thermostat?
27th Nov 2013 5:58pm

Porny Site Sponsor Member Since: 31 Aug 2009 Location: Sutton Coldfield - West Midlands Posts: 809

What have you got in the way of diagnostic equipment - that can do live data? Really for problems like this in the past I've thermocoupled vehicles up to trace what's the route cause.... I'd be very keen to look at actual water temps before and after radiator, themostat operation, oil temp, oil cooler in and out, air intake etc... and a couple of other things. I'd also look at coolant temp sensor. Changing the intercooler wouldn't change anything in my opinion as not an intake air temp problem. IRB The home of the first modified Keswick Green 90 - and the first 2.4 Puma through both the 200bhp and 550Nm barriers. www.IRBdevelopments.com www.facebook.com/irbdevelopments www.integrated316.com www.facebook.com/integrated316

27th Nov 2013 7:33pm

Eduardo Member Since: 28 Aug 2008 Location: Región Metropolitana Posts: 2110

Porny, Thanks again. I have the typical Bluetooth ODBII reader with an android app that can store live data from the ECU (Torque pro). It is enough or I need something better to do the job? Thermocoupled the car can be more difficult but not impossible from here if I can get the rigth equipment and the cost is not prohivitive Cheers Eduardo MY 2007 110 SW PUMA 2.4: Big Fog of 64' MY 1994 Jayco 1207 Folding camper: "El Tremendo" Click image to enlarge

27th Nov 2013 7:44pm

Norm4n Member Since: 31 Aug 2012 Location: Surrey Posts: 329	Change your thermostat
27th Nov 2013 8:55pm

Glynparry25 Member Since: 16 Feb 2009 Location: Miserable Midlands Posts: 3015

I can confirm that something isn't right. I have been in same situations, higher temps/ altitude and had no problems and have a winch/ lights blocking 50-60% of the front grill too. -Thermostat could be a bad one- check that the radiator is getting hot when temp goes 'high'- be careful- might be cold... or might be very hot (and watch out for spinning fan ). -Is there air in the coolant system? Had cooling problem on partners car- all it was in the end that the little hole in the thermostat was at the bottom instead of top which resulted in a pocket of air- would overheat on long hills as flow was restricted. -Does turning the interior heater up to full temp and putting the fan on full help? -When hot, can you hear the viscous fan whiring- when mine has kicked in I can hear it over the engine/ stereo noise (should get louder as radiator gets hotter). - Blocked radiator- some gunk might have got in there preventing flow? Other possible question (I am unsure of these parts of the system): How many coolant sensors does the engine have? If it is faulty the element could be breaking down at a certain temperature resulting in the sudden raise and fall in temp (and cut-out). I have read before that the dash temp gauge is very unreliable- will sit in the middle for about 20 degrees C variation but then goes to full with another 5 degrees C.......... Don't know how true this is though Glyn Just been looking and the thermostat on these are VERY easy to change, part number PEM100990 and is used on the Td5 too. Click image to enlarge Don't know how legit it is- just going off what I have found on Microcat and haven't checked on my truck.

28th Nov 2013 12:24am

Regard Member Since: 08 Dec 2011 Location: RSA Posts: 251	Do you keep your foot flat in 6th gear? Or do you change down to 5th on these climbs? I've found that keeping the car in 6th on a long climb will increase the coolant temps to more than 96degC very quickly. Changing down to 5th then drops these coolant temps very rapidly. Aren't you pushing it to much in a "overdrive"/high gear?
28th Nov 2013 7:22am

Eduardo Member Since: 28 Aug 2008 Location: Región Metropolitana Posts: 2110

Thanks to all for the answers I have at least something to start. In fact I use to drive in 6th all the way and probably that could be one of the reasons. On the other hand I made the same route several times before without any trouble. The problem appears 3 years ago in the Patagonia and from there appears randomly 4-5 times in a year (but always when is hot, at high speeds and with the car forced) Cheers Eduardo MY 2007 110 SW PUMA 2.4: Big Fog of 64' MY 1994 Jayco 1207 Folding camper: "El Tremendo" Click image to enlarge Last edited by Eduardo on 28th Nov 2013 10:58am. Edited 1 time in total

28th Nov 2013 10:53am

jimbob7 Member Since: 06 Jul 2013 Location: uk Posts: 2055	What is this "radiator protection net" you mention in another thread?? Pov.spec,ftw. 2006, 110,TD5.
28th Nov 2013 10:58am

Eduardo Member Since: 28 Aug 2008 Location: Región Metropolitana Posts: 2110	Jimbo, I dont think so. This net is very open (thin wires with a separation of 3/4" and probably do not restrict the airflow more than 5%.  Eduardo MY 2007 110 SW PUMA 2.4: Big Fog of 64' MY 1994 Jayco 1207 Folding camper: "El Tremendo" Click image to enlarge
28th Nov 2013 11:17am

Naks Member Since: 27 Jan 2009 Location: Stellenbosch, ZA Posts: 2638

Eduardo wrote: In fact I use to drive in 6th all the way and probably that could be one of the reasons. 6th should only be used to cruise on level ground (and downhill). As soon as you hit an incline and the revs drop below 2000, you should gear down to 5th. Do you also monitor your EGT? That's one of the best ways to know when to hear down IMHO - whenever I tackle a hill, I keep one eye on the EGT and as soon as it shoots up I gear down and the EGT goes down as well. -- 2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear 2015 Range Rover Sport V8 Supercharged Defender Puma Workshop Manual: https://bit.ly/2zZ1en9 Discovery 4 Workshop Manual: https://bit.ly/2zXrtKO Range Rover/Sport L320/L322/L494 Workshop Manual: https://bit.ly/2zc58JQ

28th Nov 2013 11:29am

Norm4n Member Since: 31 Aug 2012 Location: Surrey Posts: 329	So basically the OP labours the engine in 6th, up an incline for circa 12 kilometers, and then wonders why it's hot!
28th Nov 2013 8:00pm

Eduardo Member Since: 28 Aug 2008 Location: Región Metropolitana Posts: 2110	Norm4an I do this road several times in the past in almost the same conditions without this problem, for this reason I'm asking for help. Chhers Eduardo MY 2007 110 SW PUMA 2.4: Big Fog of 64' MY 1994 Jayco 1207 Folding camper: "El Tremendo" Click image to enlarge
28th Nov 2013 8:20pm

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