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Jeep boiling up

  • 02-04-2015 9:21pm
    #1
    Registered Users, Registered Users 2 Posts: 176 ✭✭


    hello

    I have my 98 Mitsubishi Pajero 2.8 TurboDiesel Jeep just 3 weeks now but she has today started to boill up, you get about a mile down the road and you hear its bubbling, right amount of coolant too in the coolant tank.
    Starts first turn of the key ok still but temp hand moves into the red so quickly now, therostat ok but this happens very quickly.
    Anyone able to advise on these please


Comments

  • Registered Users, Registered Users 2 Posts: 1,380 ✭✭✭O.A.P


    Water (coolant ) pump has stopped maybe , 1 mile is very fast for any engine to over heat though more so a diesel unless crawling in heavy traffic.


  • Registered Users, Registered Users 2 Posts: 176 ✭✭yeller


    Head gasket maybe blew


  • Banned (with Prison Access) Posts: 1,797 ✭✭✭Kevin McCloud


    yeller wrote: »
    Head gasket maybe blew

    Don't be thinking the worst just yet, did the boiling just happen overnight?


  • Registered Users, Registered Users 2 Posts: 176 ✭✭yeller


    friend had it yesterday but I was pulling a trailer this morning and temp hand rose and you could hear it bubbling loudly, very slightly down in power,
    checked water in reservoir and all ok, left sitting for hour or so then drove it but only got a mile or less when hand goes up again and boiling up. She sitting up now as don't want to do any more harm


  • Banned (with Prison Access) Posts: 1,797 ✭✭✭Kevin McCloud


    You said the thermostat is ok how did you check it?


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  • Closed Accounts Posts: 3,293 ✭✭✭Fuzzy Clam


    yeller wrote: »
    friend had it yesterday but I was pulling a trailer this morning and temp hand rose and you could hear it bubbling loudly, very slightly down in power,
    checked water in reservoir and all ok, left sitting for hour or so then drove it but only got a mile or less when hand goes up again and boiling up. She sitting up now as don't want to do any more harm
    Is the water actually boiling hot or just bubbling?
    If it's just bubbling then could be head gasket.


  • Registered Users, Registered Users 2 Posts: 176 ✭✭yeller


    thermostat..heat inside the jeep..

    the temp hand rises to the red and you hear it bubbling very loudly, could a hose blow out etc


  • Banned (with Prison Access) Posts: 1,797 ✭✭✭Kevin McCloud


    The thermostat could be stuck closed though.


  • Registered Users, Registered Users 2 Posts: 4,777 ✭✭✭meathstevie


    Check the radiator, could be blocked. If badly so the sides could even be bulging. Excessive pressure on hoses coming from the rad are a good indication.


  • Registered Users, Registered Users 2 Posts: 176 ✭✭yeller


    I Rang a mechanic and he said likely head gasket, he said head could be cracked too and not know til its off,


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  • Banned (with Prison Access) Posts: 1,797 ✭✭✭Kevin McCloud


    yeller wrote: »
    I Rang a mechanic and he said likely head gasket, he said head could be cracked too and not know til its off,

    I would get another mechanics opinion.


  • Registered Users, Registered Users 2 Posts: 7,934 ✭✭✭Renegade Mechanic


    yeller wrote: »
    friend had it yesterday but I was pulling a trailer this morning and temp hand rose and you could hear it bubbling loudly, very slightly down in power,
    checked water in reservoir and all ok, left sitting for hour or so then drove it but only got a mile or less when hand goes up again and boiling up. She sitting up now as don't want to do any more harm

    Have a chat with this freind. I gave up loaning things out, it was costing me too many of them :mad:

    When cold, run the engine. If the coolant is bubbling in a reservoir or radiator, you have engine compression entering the coolant. Most likely a head gasket.


  • Registered Users, Registered Users 2 Posts: 889 ✭✭✭doctorchopper


    quick and easy check to do when it gets hot feel the top rad hose and feel the lower rad hose, if the coolant is not circulating( blocked rad or failed pump, failed thermostat) then 1 of them will be hotter than the other


  • Registered Users, Registered Users 2 Posts: 469 ✭✭JBokeh


    If it is the head catch the top hose with the engine running,you should be able to squeeze it. If it is rock hard the head is banjaxed. Also check the level of the water in the rad, with the head gone the exhaust gasses leak into the cooling system and push the coolant into the expansion bottle

    Like the renegade mechanic I gave up loaning my old jeep to people to top trailers with after a complete arab took it and dogged it up a huge hill with a car on a transporter. It was a 2.8 shogun and it was a new head out of my pocket


  • Registered Users, Registered Users 2 Posts: 152 ✭✭2time


    JBokeh wrote: »
    If it is the head catch the top hose with the engine running,you should be able to squeeze it. If it is rock hard the head is banjaxed. Also check the level of the water in the rad, with the head gone the exhaust gasses leak into the cooling system and push the coolant into the expansion bottle

    Like the renegade mechanic I gave up loaning my old jeep to people to top trailers with after a complete arab took it and dogged it up a huge hill with a car on a transporter. It was a 2.8 shogun and it was a new head out of my pocket

    I had one of these here lying up due to head problem bit you mention maybe banjaxed head, do you mean warped or cracked as believe you can get them skimmed if not cracked.


  • Registered Users, Registered Users 2 Posts: 5,124 ✭✭✭Mech1


    if no loss of coolant chances are head gasget / head is fine. likley stuck closed thermostat, blockage, waterpump.


  • Registered Users, Registered Users 2 Posts: 1,380 ✭✭✭O.A.P


    The op says there is no loss of coolant and the thermostat is fine ,so I would say the pump is the most obvious cause .
    Head gasket breaks will lose coolant and cause a pressure build up in the header tank.


  • Closed Accounts Posts: 760 ✭✭✭Desolation Of Smug


    O.A.P wrote: »
    The op says there is no loss of coolant and the thermostat is fine ,so I would say the pump is the most obvious cause .
    Head gasket breaks will lose coolant and cause a pressure build up in the header tank.

    They have fairly crap radiators too. An internal collapse/blockage isn't unheard of. If it was mine, I'd do the water pump, a new rad and a new thermostat. If that didn't work, then I'd look at the head.


  • Registered Users, Registered Users 2 Posts: 152 ✭✭2time


    They have fairly crap radiators too. An internal collapse/blockage isn't unheard of. If it was mine, I'd do the water pump, a new rad and a new thermostat. If that didn't work, then I'd look at the head.

    could the rad be flushed out


  • Registered Users, Registered Users 2 Posts: 176 ✭✭yeller


    IF YOU HAVE THE JEEP IDLING OVER ON THE STREET HOW LONG SHOULD IT TAKE FOR THE FAN TO KICK IN


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  • Banned (with Prison Access) Posts: 491 ✭✭Dozer Dave


    yeller wrote: »
    IF YOU HAVE THE JEEP IDLING OVER ON THE STREET HOW LONG SHOULD IT TAKE FOR THE FAN TO KICK IN

    They have a viscous fan, which may be part of the problem. They do become faulty.


  • Registered Users, Registered Users 2 Posts: 176 ✭✭yeller


    Dozer Dave wrote: »
    They have a viscous fan, which may be part of the problem. They do become faulty.

    20 minutes sitting and no fan come on, any other way to check it for sure and what the story, could it be wiring or is it just replacement


  • Registered Users, Registered Users 2 Posts: 105 ✭✭Alucan


    I would get another mechanics opinion.


    Why? It's a problem they frequently suffer with and all the symptoms are consistent with if someone rang me I would tell them same thing. It's probably the head gasket but could also be the head cracked there are a few other things to check first before I would pull the head off. But a mechanic with any degree of skill would be able to diagnose compression entering the cooling system very quickly .What he won't be able to do is know where it is coming from without striping the head off the engine on most engines it would be safe to say it's a gasket problem but the heads on these engines crack quite often. So why would you get another mechanics opinion.


  • Closed Accounts Posts: 760 ✭✭✭Desolation Of Smug


    I was in at my mates yesterday welding an exhaust and he was making 1 good engine out of 2 bad ones - 2.8 paj..the HG went on the original and ye'd want to see the way it left the block and head - between bore 2 and 4 the head was literally melted through like a plasma cutter had been taken to it. The owner had drivven on for a bit after it started getting "a bit hot" on the gauge.

    The only good bit left was the crankshaft. Best not ignored too long, whatever you might think the cause is..


  • Registered Users, Registered Users 2 Posts: 222 ✭✭coyle21


    I got an 1998 2.8td gls one of these and it now regularly idles rough and is bit smokey when you start it up and i cant get past 2000 revs when idle.
    what may that be


  • Banned (with Prison Access) Posts: 491 ✭✭Dozer Dave


    coyle21 wrote: »
    I got an 1998 2.8td gls one of these and it now regularly idles rough and is bit smokey when you start it up and i cant get past 2000 revs when idle.
    what may that be

    Does it cut after starting after a few seconds?


  • Registered Users, Registered Users 2 Posts: 222 ✭✭coyle21


    sometimes it does and hard to start


  • Banned (with Prison Access) Posts: 491 ✭✭Dozer Dave


    Will it start and drive fine then all day long when its warmed up?


  • Registered Users, Registered Users 2 Posts: 222 ✭✭coyle21


    most of the time yes but drove it 10 mile a few times and went to start it again and lost all rev for several minutes etc


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  • Banned (with Prison Access) Posts: 491 ✭✭Dozer Dave


    When its running good does it rev out or does it only go to 2krpm? Also what colour smoke out the exhaust?


  • Registered Users, Registered Users 2 Posts: 388 ✭✭maudgone


    Remove the rad and get it checked by a radiator specialist before you do any other stripping. My guess is that the core of the rad is clogged up, and won't allow proper circulation.


  • Registered Users, Registered Users 2 Posts: 222 ✭✭coyle21


    Dozer Dave wrote: »
    When its running good does it rev out or does it only go to 2krpm? Also what colour smoke out the exhaust?

    its black smoke, when happens wont pass 2ooo rpm, i drove it 60 miles yesterday, no problems,

    today when to start it, its started and lost power and cut out, eventually started with alot of churning but when fine for 6 miles but on way back today i noticed it boiling up and checked under bonnet and the steam/water was coming out from behind the starter, something blew out maybe


  • Registered Users, Registered Users 2 Posts: 889 ✭✭✭doctorchopper


    I would say you are going to do a lot of damage if you keep driving it and it keeps overheating, something simple might end up costing more than the jeep is worth if you continue to overheat it


  • Registered Users, Registered Users 2 Posts: 152 ✭✭2time


    i fitted a new radiator today and flushed out block etc, do i need to bleed it one i refill with water


  • Registered Users, Registered Users 2 Posts: 388 ✭✭maudgone


    2time wrote: »
    i fitted a new radiator today and flushed out block etc, do i need to bleed it one i refill with water

    Shouldn't be any need to bleed it.


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  • Banned (with Prison Access) Posts: 491 ✭✭Dozer Dave


    coyle21 wrote: »
    steam/water was coming out from behind the starter, something blew out maybe

    What blew?


  • Registered Users, Registered Users 2 Posts: 152 ✭✭2time


    Dozer Dave wrote: »
    What blew?

    there was pin hole in one of the steel connecting pipes


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