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Car Forum / Australian Car Forums / 4x4 Cars (Australian group) / January 2007Hilux Surf 2.4 TD
A friend of mine has an automatic Hilux Surf 2.4 TD. He has had several problems in the past such as cracked cylinder head and overheating. These problems have more or less been dealt with. However, the interesting thing about his vehicle is that when you engage into "D" (drive), it changes gears too quickly and then starts to overheat. He goes around this by taking off in "2", then shifting to "D" when he feels he should change up. He also does the same thing for "Overdrive". The procedure is the same when changing down. I wonder whether anyone is familiar with this kind of problem and what can be done about it. Cheers, Wezi >A friend of mine has an automatic Hilux Surf 2.4 TD. He has had several > problems in the past such as cracked cylinder head and overheating. [quoted text clipped - 11 lines] > I wonder whether anyone is familiar with this kind of problem and what > can be done about it. A mate at work had a similar problem. He fixed it by getting rid of it, buying a 4.2ltr Diesel GQ Patrol, raising it about 4" and throwing a turbo on it. He hasn't had any real issues with it since. > A friend of mine has an automatic Hilux Surf 2.4 TD. He has had several > problems in the past such as cracked cylinder head and overheating. [quoted text clipped - 15 lines] > > Wezi He might try haveing the "kickdown" checked not sure how it activated on the Toyota, Cable?? incorrectly adjusted kickdown can do strange things when was the last time he had the auto serviced? Kev > when was the last time he had the auto serviced? They are very tough boxes, but "dirty" ones and do require regular servicing. It is amazing what problems with a Toyota slush box can be fixed by a good flush out and a new filter. I can seem to find the O/P, but I wonder if it is a late 2L-TE, in which case it may also be a sensor fault. Given that the engine has been out recently I'd be checking all electrical connections. -- The Most common Problem with then overheating is beleive it or not the radiator cap if its not genuine its no good on a few i have worked on after the owners have gone and bought new caps from the likes of supercheap and autobarn they started with overheating problem then we put the original cap back and no more overheating or running hot wich ever, just a thought ask the ? >> when was the last time he had the auto serviced? > [quoted text clipped - 7 lines] > which case it may also be a sensor fault. Given that the engine has > been out recently I'd be checking all electrical connections. > The Most common Problem with then overheating is beleive it or not > the radiator cap You are right, I don't believe it. The most common causes of overheating in 2L-Tx series Surfs are:- Wrong thermostat (usually fitted by so-called "qualified" mechanics); Stuffed or incorrectly adjusted thermo clutch; Stuffed/blocked radiator; Loss of fluid somewhere in the "nest of eels" that 2L-TE engines in particular have; Radiator cap. The radiator cap causing overheating is, in the experience of the world-wide Surf user groups, no more prevalent than any other vehicle - if there is any greater prevalence (which I doubt) it is due to selecting/being supplied with, the wrong cap. -- Since the appears to be some sort of design flow with the 2L-TE engine, would an engine swap cure my friend's problems. Could you also recommend an engine that has similar mountings. > Since the appears to be some sort of design flow with the 2L-TE > engine, would an engine swap cure my friend's problems. Could you > also recommend an engine that has similar mountings. The weak link in the 2L-TE is the cooling system - fix that and it is pretty much as reliable as anything else. That said, the 1KZ is a much better engine, but swapping in non-trivial. There used to be a website following the course of such a changover, the guy purchased a front cut 1KZ and thought it would be easy. He ended up having to virtually completely swap the wiring harness and quite a few engine bay accessories - easy but time consuming when you have a front cut donor, I would not like to try without. Fixing the cooling system is a little easier. Get the cooling system professionally cleaned, a new core and tanks on the radiator, new water pump (checking the backing plate for erosion/corrosion on the way, new thermostat, new fluid and seals in the thermo clutch and all new hoses and you are cooking with gas for at least 5 years. Use a good quality inhibitor in the water - preferably one that resists cavitation. Soem people will tell you to also obtain and fit the Oz model a/c condensor on the theory that in spite of being in front of the radiator it does improve overall air flow through the engine bay. I haven't done this, but I may well do so for the other side benefit that the a/c system will be much improved. It's also worth noting that if the target vehicle is an auto, you are much more limited in your engine swapping as the gearbox computer talks to the engine computer, and they are different on various models - admittedly probably only soft/firmware, but you would have to be very friendly with a well equipped Toyota shop to start playing that game I think. -- > Since the appears to be some sort of design flow with the 2L-TE > engine, would an engine swap cure my friend's problems. Could you also > recommend an engine that has similar mountings. The 2L-T is a heavy duty version of the 2L(which are a tough little engine) ie. it has larger crank journals, larger big ends, larger gudgen pins, thicker finned crown pistons, large flow oil jets under the pistons(for cooling), the rest of the engine is basically the same(early 2L-Ts had the standard 2L head, the 2L-TE has a 3 based head) so it should last at least as long as any normal 2L the only problem they have is the cooling system fix that and you will have years of good service Kev |
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