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  #51  
Old 12-18-2008, 10:14 AM
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subzali subzali is offline
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Yeah I'm going to POR-15 it next spring to help make sure that happens
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1996 FZJ80 1FZ-FE factory lockers + Safari intercooled turbo, Warn M12000, OEM CDL switch, cup holder, and hand throttle, Metric TLC leather, heated seats, JDM switches, Puma OBA
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  #52  
Old 02-03-2012, 11:51 AM
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subzali subzali is offline
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Thread revival...

Last week and earlier this week I had no heat. Even going down the highway.

Then I checked the coolant level and found that the overflow bottle was empty. Filled it up and I got heat now. Coincidence? Dunno...

Is the heat system really that marginal? That if it's a 1/2 gallon low the heater won't work?

Once I get a house and a garage to work in I'm going to pull the drivetrain and clean and reseal it (rear main leak), fix the radiator, replace all the coolant/heater hoses, flush the heater cores and pipes, get Shane's kit to rebuild the heater, reseal the heater duct, get a new heater control valve or clean the one I have, and POR15 the gas tank. And take a close look at my clutch. That should keep me busy for a few days.
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Matt Miller
TLCA# 13684
1977 FJ40 2F "Brahma" + Lockright, tach, Warn 8274, FJ60 Power Steering, no more Sanden OBA (factory emissions), so Puma OBA
1996 FZJ80 1FZ-FE factory lockers + Safari intercooled turbo, Warn M12000, OEM CDL switch, cup holder, and hand throttle, Metric TLC leather, heated seats, JDM switches, Puma OBA
2000 Tundra Limited TRD 2UZ-FE SOLD
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  #53  
Old 02-03-2012, 12:30 PM
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Red_Chili Red_Chili is offline
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I dunno about POR15 for gas tanks. Witness your observation that fuel ate through it!

I used this product for the Ducati (plastic tank vulnerable to ethanol, this is a common fix):
http://www.webbikeworld.com/t2/caswe...l-tank-sealer/

It is available in quantities for auto fuel tanks and is bombproof.
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  #54  
Old 02-03-2012, 12:37 PM
SteveH SteveH is offline
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When your overflow bottle was low, did you check and fill the radiator at the same time? Usually, when the overflow is low, the radiator is low, too.
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  #55  
Old 02-03-2012, 01:13 PM
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If your heater core is higher than the "low" level in the radiator it will fill with air and presto! no heat. and yes 1/2 gallon is roughly 20% of your capacity IIRC.
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  #56  
Old 02-03-2012, 01:30 PM
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subzali subzali is offline
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Quote:
Originally Posted by Red_Chili View Post
I dunno about POR15 for gas tanks. Witness your observation that fuel ate through it!

I used this product for the Ducati (plastic tank vulnerable to ethanol, this is a common fix):
http://www.webbikeworld.com/t2/caswe...l-tank-sealer/

It is available in quantities for auto fuel tanks and is bombproof.
I'll check that out, but the POR15 would be to protect against rust/abrasion on the outside of the tank. It's a brand new OE tank now so there should be no pinholes to worry about for a while.

Didn't know that about plastic tanks though - maybe I should think about that on my KTM? I would think that the OEM's would know that and change the plastic to resist ethanol?

Quote:
Originally Posted by SteveH View Post
When your overflow bottle was low, did you check and fill the radiator at the same time? Usually, when the overflow is low, the radiator is low, too.
I didn't, because the engine was hot at the time and I didn't want to spray coolant everywhere. I still need to check and make sure that it's still full. It did start filling the overflow right away though, so I don't think the overflow was completely empty. I don't know where my coolant is going, the leaks in my radiator aren't that big

Quote:
Originally Posted by Squishy! View Post
If your heater core is higher than the "low" level in the radiator it will fill with air and presto! no heat. and yes 1/2 gallon is roughly 20% of your capacity IIRC.
I think that the coolant capacity is somewhere around 4 gallons? Yes, 16-17 quarts.
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TLCA# 13684
1977 FJ40 2F "Brahma" + Lockright, tach, Warn 8274, FJ60 Power Steering, no more Sanden OBA (factory emissions), so Puma OBA
1996 FZJ80 1FZ-FE factory lockers + Safari intercooled turbo, Warn M12000, OEM CDL switch, cup holder, and hand throttle, Metric TLC leather, heated seats, JDM switches, Puma OBA
2000 Tundra Limited TRD 2UZ-FE SOLD
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  #57  
Old 02-03-2012, 03:17 PM
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PabloCruise PabloCruise is offline
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Quote:
Originally Posted by subzali View Post
Thread revival...

Last week and earlier this week I had no heat. Even going down the highway.

Then I checked the coolant level and found that the overflow bottle was empty. Filled it up and I got heat now. Coincidence? Dunno...

Is the heat system really that marginal? That if it's a 1/2 gallon low the heater won't work?

Once I get a house and a garage to work in I'm going to pull the drivetrain and clean and reseal it (rear main leak), fix the radiator, replace all the coolant/heater hoses, flush the heater cores and pipes, get Shane's kit to rebuild the heater, reseal the heater duct, get a new heater control valve or clean the one I have, and POR15 the gas tank. And take a close look at my clutch. That should keep me busy for a few days.
What is a Shane's Kit to rebuild heater?
My heat is very marginal in the 40.
What is the best way to clean a heater core? I seem to recall hearing muriatic acid soak is the desired protocol?
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  #58  
Old 02-03-2012, 03:23 PM
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Quote:
Originally Posted by PabloCruise View Post
What is a Shane's Kit to rebuild heater?
Shane on MUD, aka AATLAS1X

I assume that is who Matt is talking about. Not sure if he has his own website now or not. He makes all sort of stuff including new leather seats for the 80 series, reproduction stickers, etc.
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  #59  
Old 02-03-2012, 05:04 PM
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It's funny to hear you have these same issues. My heater didn't work when I bought my 40 (never got hot), and my cooling system would either run way too cold (wintertime), or borderline overheating (summer).

New radiator, new hoses, thermostat and a heater rebuild did the trick for me. Heat blows like crazy, and the cooling is consistent and perfect all 4 seasons. It's one of the best things I did for my 40.
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  #60  
Old 02-03-2012, 07:43 PM
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kurtnkegger kurtnkegger is offline
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I purchased the heater kit from Shane for my 40. The kit consisted of foam sheets to glue on the gate (you have to but the glue separately), Foam strip to seal the heater core, more foam for the blower motor, and some small plastic bushings for the gate posts. There may have been some small screws for the gate as well. He'll give you a deal if you mention you are a mud member if ordering from ebay.

Worth the money to get a good seal on the heater. My heater worked way better after the rebuild...
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