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Jimny Heating up in L/R & Heater
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Author:  PeterW [ Sun May 23, 2010 6:55 am ]
Post subject:  Jimny Heating up in L/R & Heater

Driving the Jimy around town she's aces, driving on the Highway also no problems.. But if I drive the boggy sand tracks for more then about 20 minutes in Low Range. Heat goes up to about 3/4 from the usual 1/2 way.

I have ordered a new Thermostat, should this fix the problem? or is there a common problem with the M13a engine I have missed?

Not sure if it's related, or just something else I need to fix.. but when I switch the Heater on, all I'm getting is cold air, great air flow - but no change in Air Temp.

Thanks in Advance
Peter

Author:  lump_a_charcoal [ Sun May 23, 2010 7:27 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

Your car is working harder, at a slower speed.

Sounds about right.

Author:  steak_knife [ Sun May 23, 2010 7:28 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

How many km's?
Have you just had a service?
Do you check you level's under the bonnet?

Author:  atari4x4 [ Sun May 23, 2010 7:32 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

steknig wrote:
How many km's?
Have you just had a service?
Do you check you level's under the bonnet?


x 2 sounds like its low on coolant if the heater isn't hot.

Author:  joeblow [ Sun May 23, 2010 9:14 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

PeterW wrote:
Driving the Jimy around town she's aces, driving on the Highway also no problems.. But if I drive the boggy sand tracks for more then about 20 minutes in Low Range. Heat goes up to about 3/4 from the usual 1/2 way.

I have ordered a new Thermostat, should this fix the problem? or is there a common problem with the M13a engine I have missed?

Not sure if it's related, or just something else I need to fix.. but when I switch the Heater on, all I'm getting is cold air, great air flow - but no change in Air Temp.

Thanks in Advance
Peter


my jimny never overheated in tassie dunes, so yours should not. make sure there is no air pockets in the system and as has been said levels are correct. if all that fails you might have a blocked radiator internaly, it needs to be pulled apart and cleaned by a pro. no biggie tho...

Author:  gman [ Sun May 23, 2010 9:14 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

M13a's can get a lazy fan clutch but x3 on the coolant level or I guess a blockage somewhere

Author:  Ben_Sierra [ Sun May 23, 2010 9:16 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

You would definitely expect it to be hotter in low range and sand. You're working the car much harder and there is less airflow through the radiator, so it makes sense...

Author:  PeterW [ Sun May 23, 2010 9:17 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

atari4x4 wrote:
steknig wrote:
How many km's?
Have you just had a service?
Do you check you level's under the bonnet?


x 2 sounds like its low on coolant if the heater isn't hot.
Coolant Levels are High and are nice and green,

She has done 160,000, but drives like a new one.. and no complaints about response..

But she's probably due for a service, Have only had it for a week.. previous owners did there own servicing the last few times..

Don't want to cook it in Low Range... want to get a bit more life out of the M13a before 'needing' to do a conversion

Author:  PeterW [ Sun May 23, 2010 9:20 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

Cheers for all the responses.. Somebody said to me I might have a blocked hose to the Heater box,, how do you find the Heater box? I don't even know what one looks like.. lol

Author:  joeblow [ Sun May 23, 2010 9:21 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

PeterW wrote:
She has done 160,000, but drives like a new one..


we get our rads 'poked out' about every 80-100k. the corrosion that the coolant washes off the motor inside gets trapped in the core. start your car up and after 5 minutes check the temps of the top and lower rad hoses, if there is a big difference you have a blocked core causing the temp fluctuations.

Author:  royce [ Sun May 23, 2010 9:23 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

do both heater hoses get hot? it could be simple like a popped control cable under the dash

Author:  steak_knife [ Sun May 23, 2010 9:25 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

Get the rad cleaned out & put a thermostat ( new ) in it, when you run the coolant through have the heater on & the car on a SLIGHT up hill, nose up, this should get any air pocket's out.
Same eng in swift's suffer from air lock when changing coolant but I have never had a problem with Jim's.
Would pay to look at the clutch fan to, see if there is resistance when you try to spin it, make sure the eng is OFF.

I've only replaced 1 fan clutch & that was because of physical damage..

Author:  losfer [ Sun May 23, 2010 9:36 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

X2 viscous hub fan ..

Author:  PeterW [ Sun May 23, 2010 9:39 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

Quote:
when you run the coolant through have the heater on & the car on a SLIGHT up hill, nose up, this should get any air pocket's out.


Do you mean now, or after I have the Heater fixed?
Peter

Author:  PeterW [ Sun May 23, 2010 9:43 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

Speaking of which, are these the x2 heater hoses?

Author:  steak_knife [ Sun May 23, 2010 9:51 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

No, that's the A/c hose's & the TX valve is behind it.

I'd try to run the coolant through the heater 1st, same as I said before, nose on a slight uphill heater on car running & rad cap off, do it from a cold start if you can. Top the water up when it need's it.

Author:  PeterW [ Sun May 23, 2010 9:56 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

Ha ha,, A/c con eh.. couldn't tell you if the heater pipes are getting hot then.. I'll have to try the flush then, thanks Steknig

Author:  steak_knife [ Sun May 23, 2010 10:07 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

PeterW wrote:
Ha ha,, A/c con eh.. couldn't tell you if the heater pipes are getting hot then.. I'll have to try the flush then, thanks Steknig


get it done by a radiator shop.

& no worry's mate.. :P :P :P

Author:  gman [ Sun May 23, 2010 10:23 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

If everything is working properly the temp gauge should only go above half if something is wrong or its on fire..... in which case something is very wrong.

I've only seen 1 fan clutch in a Jimny die too (mine) but than again I don't work on only Suzuki's.

symtoms were over heating on freeway and in the bush or beach or hot days. i could drive along the freeway with the gauge starting to rise and than wind the windows down and put the heater on full and this would drop the temp but in the middle of summer I'd rather A/C. no oil leaking from clutch too. just stopped engaging unless I used cable ties

Author:  steak_knife [ Mon May 24, 2010 7:29 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

losfer wrote:
X2 viscous hub fan ..


On it being the problem??

Have you changed a few??

Author:  PeterW [ Mon May 24, 2010 8:41 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

Speaking of the Heater Hoses,, the only hoses coming through the Firewall that i can see, other then the A/C posted above are these attached..

Can't see how that would help with the heating? Am I looking in the wrong place?

Author:  PeterW [ Mon May 24, 2010 8:42 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

or

Author:  steak_knife [ Mon May 24, 2010 8:45 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

your heater doesn't work because it's been bypassed.

Author:  PeterW [ Mon May 24, 2010 8:51 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

why would a spaz do that? I though that hose bent over looked odd..

Author:  lukes_89 [ Mon May 24, 2010 9:09 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

there should be 2 hoses on there one takes coolant in and the other out so something must be wrong with it for them to by pass the whole thing.

Author:  flaxton123 [ Mon May 24, 2010 9:19 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

PeterW wrote:
why would a spaz do that? I though that hose bent over looked odd..


the heater core may have been leaking or some realy smart back yarder may have thort that if they bypassed the heater that it would help it not over heat on the beach because the heater heats up the coolant more hahahahahah ... maybe try pulling one hose end of the hose off and put the hose in it and see if it leaks inside the car and if not maybe hook it back up and keep an eye on it if it leaks or not

Author:  steak_knife [ Mon May 24, 2010 9:23 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

flaxton123 wrote:
PeterW wrote:
why would a spaz do that? I though that hose bent over looked odd..


the heater core may have been leaking or some realy smart back yarder may have thort that if they bypassed the heater that it would help it not over heat on the beach because the heater heats up the coolant more hahahahahah ... maybe try pulling one hose end of the hose off and put the hose in it and see if it leaks inside the car and if not maybe hook it back up and keep an eye on it if it leaks or not



I'd lean towards this one, if that isn't the case, unless it has been FULL of coolant, you will be needing a heater core.
That shouldn't of passed a safety inspection..

Author:  BJPK [ Mon May 24, 2010 9:32 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

[quote=" That shouldn't of passed a safety inspection..[/quote]
we dont have safety inspections in wa :roll:

Author:  steak_knife [ Mon May 24, 2010 9:42 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

BJPK wrote:
[quote=" That shouldn't of passed a safety inspection..

we dont have safety inspections in wa :roll:[/quote]

So no inspection for change of ownership??

Author:  PeterW [ Mon May 24, 2010 10:01 am ]
Post subject:  Re: Jimny Heating up in L/R & Heater

steknig wrote:
BJPK wrote:
[quote=" That shouldn't of passed a safety inspection..

we dont have safety inspections in wa :roll:


So no inspection for change of ownership??[/quote]nope, up to us to check things over, or call RAC for about $200 or something. last one I had - they didn't pick anything up, so I didn't bother getting one.
Peter

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