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Samurai heater box removal tip

 
 
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Sman
Articulating


Joined: 21 Aug 2009
Odometer: 676




PostPosted: Sat Sep 25, 2010 5:57 pm    Post subject: Samurai heater box removal tip Reply with quote

We all know the SJ heater leaves a lot to be desired, last winter I froze my ass off in mine, I had rigged up a hot air pipe to take air from behind the rad through the old snorkel hole in the bulkhead to provide me with some heat, it was mild at best but still out performed the lousy heater which seemed only to blow cold air whatever the setting (I hoovered it out but it was still crap) I ended up removing the heater from my Sammy today and thought I'd do a write up to show how.

Here's how.

1, Disconnect coolant hoses.

2, Undo the hearter control facia and remove,

3, Undo the two securing screws located behind facia that hold the top end of the heater to the dashboard mounting frame. Undo nut on engine side of bulkhead near coolant pipes.

4, Now the heater box is totally disconnected, you will notice the heater box is snagged between the bulkhead, dashboard and gearbox tunnel.

5, Retrieve special tool 12883 from workshop. (see figure 1)

Figure 1 (special tool 12883)


6. apply special tool 12883 to heater box. (see figure 2)

Figure 2 (Correctly removed heater box)



7, You may notice that the heater box is now damaged and will not fit back in place.....................


8, ermm, hang on.........

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Stal1878
Mud Obsessed


Joined: 02 Mar 2010
Odometer: 3320
Location: Somerset


1990 Daihatsu Fourtrak

PostPosted: Sat Sep 25, 2010 7:03 pm    Post subject: Reply with quote

Laughing Laughing Laughing
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Sman
Articulating


Joined: 21 Aug 2009
Odometer: 676




PostPosted: Sat Sep 25, 2010 7:43 pm    Post subject: Reply with quote

I'm experimenting with these heater cores, they seem ok, just need to mount some PC case fans and fix everything down and hopefully be nice and toastey this winter.







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4x4menow
Articulating


Joined: 02 Apr 2004
Odometer: 553
Location: stroud



PostPosted: Sun Sep 26, 2010 6:08 pm    Post subject: Reply with quote

factory heaters should be good if there not they may be full of mud and need cleaning out which is an easy fix.
My main concern is if you get a burst matrix or pipe which way the water will spray factory heaters have to be completely encased for this reason
cheers Nick
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Sman
Articulating


Joined: 21 Aug 2009
Odometer: 676




PostPosted: Sun Sep 26, 2010 11:04 pm    Post subject: Reply with quote

I know what you mean, I am going to lag the pipes and keep an eye on things.

I fitted 2 pc fans to the dash one today, the cab is much more cosy now.

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Darrell
Off-Road Guru


Joined: 22 Aug 2007
Odometer: 1580
Location: South Oxfordshire. In the doghouse.


1987 Suzuki SJ413

PostPosted: Mon Sep 27, 2010 6:29 pm    Post subject: Re: Samurai heater box removal tip Reply with quote

Sman wrote:
We all know the SJ heater leaves a lot to be desired, last winter I froze my ass off in mine, I had rigged up a hot air pipe to take air from behind the rad through the old snorkel hole in the bulkhead to provide me with some heat, it was mild at best but still out performed the lousy heater which seemed only to blow cold air whatever the setting (I hoovered it out but it was still crap) I ended up removing the heater from my Sammy today and thought I'd do a write up to show how.

Here's how.

1, Disconnect coolant hoses.

2, Undo the hearter control facia and remove,

3, Undo the two securing screws located behind facia that hold the top end of the heater to the dashboard mounting frame. Undo nut on engine side of bulkhead near coolant pipes.

4, Now the heater box is totally disconnected, you will notice the heater box is snagged between the bulkhead, dashboard and gearbox tunnel.

5, Retrieve special tool 12883 from workshop. (see figure 1)

Figure 1 (special tool 12883)


6. apply special tool 12883 to heater box. (see figure 2)

Figure 2 (Correctly removed heater box)



7, You may notice that the heater box is now damaged and will not fit back in place.....................


8, ermm, hang on.........


I like that Smile , my kind of humour...
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Sman
Articulating


Joined: 21 Aug 2009
Odometer: 676




PostPosted: Wed Sep 29, 2010 5:28 pm    Post subject: Reply with quote

Its warm now, I've rigged up a couple of demister pipes to clear the screen too. The best this is, I can use the one by the seat to keep my pie warm. Very Happy
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stats696
Just got MTs


Joined: 07 Aug 2010
Odometer: 199
Location: Hallworthy, Cornwall



PostPosted: Wed Sep 29, 2010 6:45 pm    Post subject: Reply with quote

Has anyone got any tips for cleaning out a heater? Because I seem to have heat to the screen but none out of the dash vents?? I guess this is a build up of cr4p on the heater core!!

I've seen a tutorial somewhere else about drilling a hole and hoovering it out however my heater unit doesn't seem to look like that.

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stats696
Just got MTs


Joined: 07 Aug 2010
Odometer: 199
Location: Hallworthy, Cornwall



PostPosted: Thu Sep 30, 2010 8:37 am    Post subject: Reply with quote

http://www.flickr.com/photos/54420481@N03/50380...7/in/photostream/
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4x4menow
Articulating


Joined: 02 Apr 2004
Odometer: 553
Location: stroud



PostPosted: Thu Sep 30, 2010 7:59 pm    Post subject: Reply with quote

I did it on mine a couple of years ago and worked well
I followed a thread off the old forum which told you where to drill the hole on the glovebox side it doesnt take much dirt to stop them working
Mine was a early 410 and was slightly different from the later ones i was very close to drilling the matrix
ive got the heater box buried under a load of spares at the back of the garage over the weekend i will try to fish it out and take some photos showing where to drill
Cheers Nick
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Henry.
Mud Obsessed


Joined: 03 Jul 2008
Odometer: 2825
Location: north wales


1992 Suzuki Samurai

PostPosted: Sat Oct 02, 2010 4:28 pm    Post subject: Reply with quote

Sadly i dont own Special tool 12883

However would tool 12884 do the job?


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Anything with t!ts or wheels is bound to cause problems..

Never be afraid to try something new... after all the arc was built by amateurs, but titanic was built by professionals.
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Stal1878
Mud Obsessed


Joined: 02 Mar 2010
Odometer: 3320
Location: Somerset


1990 Daihatsu Fourtrak

PostPosted: Sat Oct 02, 2010 4:37 pm    Post subject: Reply with quote

Tool 12884 always does the job.
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d86
Articulating


Joined: 27 Aug 2008
Odometer: 635
Location: bath,somerset,u.k.



PostPosted: Sat Oct 02, 2010 5:13 pm    Post subject: Reply with quote

i think we need more info on the hole drilling thingy.......

good idea saves removing the dash..

tony Very Happy

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if at first you dont succed,give up and get somone else to do it.!!
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Philpy
Just got MTs


Joined: 24 Nov 2007
Odometer: 347
Location: Cornwall


1985 Suzuki SJ

PostPosted: Sat Oct 02, 2010 6:14 pm    Post subject: Reply with quote

http://www2.izook.com/?page_id=258
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Sman
Articulating


Joined: 21 Aug 2009
Odometer: 676




PostPosted: Sat Oct 02, 2010 7:10 pm    Post subject: Reply with quote

just wanted to add, I tried the hoovering / brushing out the box but it made little difference, I think this sj has been submerged in muddy slop for long enough for the matrix to get thoroughly blocked. There was no air getting through and the bulkhead was full of holes.

if you look at the broken heaterbox you can see the boxy bit at the bottom where the matrix sits (above the vents)

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Alex S
Just got MTs


Joined: 15 Feb 2006
Odometer: 246
Location: Devon



PostPosted: Mon Oct 11, 2010 6:16 pm    Post subject: Reply with quote

I am in awe of your pie warmer! Every zook should have one Laughing

Stats696 - That's normal, the dash vents only blow cold air anyway, it's the same on a alot of Jap vehicles from this period. Think of it as climate control Very Happy

I've always found SJ heaters to be very very good, I guess you guys have got some more cleaning to do Wink

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165,000 miles on original parts and still going strong-ish.
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Sman
Articulating


Joined: 21 Aug 2009
Odometer: 676




PostPosted: Mon Oct 11, 2010 7:42 pm    Post subject: Reply with quote

more work..

Got a smiths heater from a series landy in the scrapper...

Its a nice easy shape to mount, I am keeping the pie warmers (x2 now) but on a different circuit to the landy heater.




Also got sick of the beaten up old dashboard and thought I could do better, I think I'm going for a vintage look.Very Happy



loads more to do yet..

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wonkeyedan
Just got MTs


Joined: 20 Sep 2010
Odometer: 119



1992 Suzuki Samurai

PostPosted: Tue Oct 12, 2010 8:16 am    Post subject: Reply with quote

loving the mole grip window winder Cool
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Twiss
Mud Obsessed


Joined: 18 Feb 2008
Odometer: 6438
Location: Birkirkara, Malta


1993 Suzuki Samurai

PostPosted: Tue Oct 12, 2010 10:54 am    Post subject: Reply with quote

That.... is a classy dash! Cool

I don't know how much water it could take being covered in though...
You should varnish it to a nice colour Wink

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Twiss
'95 Samurai 416 16v
'92 Maruti Gypsy MG410
www.suzukiclubuk.co.uk
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Sman
Articulating


Joined: 21 Aug 2009
Odometer: 676




PostPosted: Wed Oct 13, 2010 6:06 pm    Post subject: Reply with quote

got the smiths heater in today.



more work on the dashboard


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Sman
Articulating


Joined: 21 Aug 2009
Odometer: 676




PostPosted: Thu Oct 14, 2010 8:04 pm    Post subject: Reply with quote


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