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10-12-2006, 09:55 AM
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#1 (permalink) |
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Where is my Black Son?
Join Date: Oct 2006
Location: Aurora/Toronto, Ontario, Canada
Posts: 496
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No heat
Ok, so I bought my rig with no heat. The fan blows still, there is just no warm air coming in. What could it be?
1990 RRC |
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10-12-2006, 10:45 AM
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#2 (permalink) | |
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I'd love to be in the Rat Patrol
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Are the hoses hooked up?
When the heater core goes some people by-pass it. You can read about Heater Core replacement on my site in the Tech Tips area. Don't let it scare you. It's easier than it looked. Edit: Make sure the cables are actually moving the baffles. If a cable broke it might be easy to fix.
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2003 Discovery II SE, 1993 Range Rover LWB |
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10-12-2006, 10:49 AM
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#3 (permalink) |
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4x4 Adventure Gear
Join Date: Nov 2004
Location: Tappan, NY
Posts: 1,175
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Thermostat stuck open.
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John C 1996 DI - 3" AG lift 1995 DI - Scorpion Racing Extreme Kit 1991 RR - parting out (few parts left) 1990 Kawasaki KL650B Tengai 1989 Kawasaki KLR650 |
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10-12-2006, 10:54 AM
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#4 (permalink) |
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Where is my Black Son?
Join Date: Oct 2006
Location: Aurora/Toronto, Ontario, Canada
Posts: 496
Gallery:
0
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Hi, just saw your tech article. Thanx, but there is NO WAY I am attempting that. Looks like way too much work. This doesn'thave to be my DD in the winter, so I am not going to bother with it. I'll install a couple of supplementary heaters for the odd time I drive it, and call it a day.
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10-12-2006, 10:55 AM
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#5 (permalink) |
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Where is my Black Son?
Join Date: Oct 2006
Location: Aurora/Toronto, Ontario, Canada
Posts: 496
Gallery:
0
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I am contemplating changing the T-stat. As with some other vehicles, does it have to be OEM, or can it be aftermarket? What's the best/cheapest place to order it? Can I just get it from a local parts shop?
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10-12-2006, 10:57 AM
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#6 (permalink) |
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4x4 Adventure Gear
Join Date: Nov 2004
Location: Tappan, NY
Posts: 1,175
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If you get an aftermarket one make sure it has a little hole in it, if not just drill one and make sure it's installed facing up.
How's the temp gauge? Is it below normal (mid section)?
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John C 1996 DI - 3" AG lift 1995 DI - Scorpion Racing Extreme Kit 1991 RR - parting out (few parts left) 1990 Kawasaki KL650B Tengai 1989 Kawasaki KLR650 |
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10-12-2006, 12:02 PM
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#8 (permalink) |
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4x4 Adventure Gear
Join Date: Nov 2004
Location: Tappan, NY
Posts: 1,175
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Hmmmm, than I would bet it's the thermostat.
Remove the thermostat when the engine is cold and if it's in the open position then that's your problem.
__________________
John C 1996 DI - 3" AG lift 1995 DI - Scorpion Racing Extreme Kit 1991 RR - parting out (few parts left) 1990 Kawasaki KL650B Tengai 1989 Kawasaki KLR650 |
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10-12-2006, 04:27 PM
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#9 (permalink) |
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Where is my Black Son?
Join Date: Oct 2006
Location: Aurora/Toronto, Ontario, Canada
Posts: 496
Gallery:
0
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OK, it turns out I have heat.
Here is the weird part. I can only get the heat to come out of the upper vents on the top of the dash. The main vents facing the cabin only have cool air coming out. I can get them to blow but thats it. ALSO, my upper vents blow only whern moving. Seems like the blower fan is not working in any speed when trying to get hear or outside air. BUTm, if I put it on A/C, I can get it to blow really hard on the fastest speed. What could all that be? Some sort of a resistor? |
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10-13-2006, 06:12 AM
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#10 (permalink) | |
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I'd love to be in the Rat Patrol
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The heat and AC are separate.
The AC blows from the dash vents. The heat blows to the wind screen and feet. If you only have one speed on the fans it's the resistor and is a common failure. My Rangie has the same problem.
__________________
Quote:
2003 Discovery II SE, 1993 Range Rover LWB |
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10-13-2006, 08:00 AM
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#11 (permalink) |
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Member
Join Date: Dec 2004
Posts: 46
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resistor change
I also have that one speed fan problem. I bought the resistor pack but a little hesitant about taking the decker off. Has anyone done this swap ? Do you have to remove the hood also ? I remember a guy who had done it through the outside vent, but getting those rusty leads off looks difficult.
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10-13-2006, 09:38 AM
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#12 (permalink) |
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I'd Rather Push a Landrover than Drive a Jeep
Join Date: Jun 2006
Location: Durban, South Africa, 'til 2009. Then Back to Salt Lake.
Posts: 71
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I replaced it on mine. I just went through the vents on the front. I suggest doing it if you have nimble fingers. but all in all it wasn't that bad. I put in a proline reostat from rovers north. It works like a champion now.
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1991 RRC 2 1989 RRC's 1998 RR P38A 1967 SIIA 88 1969 SIIA 88 1967 SII 109 1971 Vampire Radio Body 101FC |
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10-13-2006, 11:53 AM
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#13 (permalink) |
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Where is my Black Son?
Join Date: Oct 2006
Location: Aurora/Toronto, Ontario, Canada
Posts: 496
Gallery:
0
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The weird thing is, it won;t blow through the vents on top of the dash. It's like the blower is dead, but it works through the main vents.
Could that still be the resistor pack? |
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10-15-2006, 12:17 PM
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#14 (permalink) | |
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I'd love to be in the Rat Patrol
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There is a fan in the heater box. AND a fan in the AC housing.
So you have two fans one for heat and one for AC.
__________________
Quote:
2003 Discovery II SE, 1993 Range Rover LWB |
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10-15-2006, 12:41 PM
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#15 (permalink) |
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Where is my Black Son?
Join Date: Oct 2006
Location: Aurora/Toronto, Ontario, Canada
Posts: 496
Gallery:
0
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Ok, so how difficult is it to swap the heater blower. Do i have to rip the dash off, or is it simpler than that?
Where can I get a blower? |
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