Heating A Crew Cab
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Senior User
Joined: Jun 2009
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From: Bearspaw Alberta Canada
Heating A Crew Cab
I know nobody wants to hear this leading up to the 1st day of summer but...what's the best way to heat my Crew Cab for the upcoming winter? I've already installed the high output heater motor but I know that's not going to be enough to comfortably heat this rig for the winter. Will an AC unit help distribute the heat a little better or maybe an aux. heater in the back with vents to heat both front & back floor areas? I need it to look good and work! I seldom carry more than 4 people so losing the middle area to a heater is not an issue.
Logistics Pro
Joined: Nov 2003
Posts: 4,371
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From: PA
I've never got to drive my crew in the winter yet. Does it not heat up to much at all? Do you have a factory AC or dealer installed system? I was going to suggest an upgraded blower motor when i first started reading this thread but then saw that you listed that. What exactly is better with the blower motor you have now over the stock one? Faster running speed? Also where did you get the motor from? On a mopar forum I belong to a guy takes the stock motor and reworks them so they spin faster more efficient. Was thinking of asking him if he could do the same to my ford motor. Also have you serviced your heater box at all? You may have leafs and such in the box blocking the heat from a flow free path. When I opened all my heater Boxs in all my vehicles all had a handful or more of debris. Also possibly have a clogged heater core to. Just things to check over. If nothing else I'd suggest an auxiliary heater or make your own heater setup using another heater core and motor for the back I'm thinking about running ducts for the AC and heat in my crew when I get that far on it.
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Senior User
Joined: Jun 2009
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From: Bearspaw Alberta Canada
When I first got the truck on the road years ago I had the heating system completely rebuilt, new radiator, heater core, blower motor, the works. I've got all the original paperwork for the truck and it was optioned with a high output heater. When I went to the local parts store for the blower motor he asked me if I wanted regular or high output, so of course I got the high output. I assume it's a higher amperage unit with a greater velocity but I'm not sure.
The truck heats up but with those 2 tiny dash vents and the shotgun style discharge under the dash it doesn't get very toasty. It doesn't help that I don't have any carpet either.
So will an AC unit help spread the heat or is it strictly a cold air device?
The truck heats up but with those 2 tiny dash vents and the shotgun style discharge under the dash it doesn't get very toasty. It doesn't help that I don't have any carpet either.
So will an AC unit help spread the heat or is it strictly a cold air device?
Fleet Owner
Joined: Dec 2009
Posts: 20,678
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From: NorCal
Idea....
Install a T in the heater hose in the engine compartment after the cable actuated valve. Run the new circuit along the frame to the rear of the cab to an auxiliary heater box (and heater core) with a blower motor, ducting, and registers... Maybe under the rear seat or even a center console for the rear passengers.
Also think about installing a higher amp alternator or do the 130-amp alternator retrofit since the rear blower motor can suck up amps.
Alternatively, how about heated seats?
Install a T in the heater hose in the engine compartment after the cable actuated valve. Run the new circuit along the frame to the rear of the cab to an auxiliary heater box (and heater core) with a blower motor, ducting, and registers... Maybe under the rear seat or even a center console for the rear passengers.
Also think about installing a higher amp alternator or do the 130-amp alternator retrofit since the rear blower motor can suck up amps.
Alternatively, how about heated seats?
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Senior User
Joined: Jun 2009
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From: Bearspaw Alberta Canada
I've got a Mercedes with heated seats so that option is under serious consideration and I've got an FJ40 Land Cruiser with the rear heater so I'll copy its setup. And the truck is slowly undergoing a complete restoration so new passenger floor pan and cab corner along with a thick coat of bed liner throughout the cab, firewall insulation and new carpet will be installed.
Thankfully we don't get the cold winters of yesteryear!
Thankfully we don't get the cold winters of yesteryear!
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Ford Parts Specialist
Joined: Nov 2006
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From: Simi Valley, CA
12V underseat heater: 1956/63 Studebaker cars & 1956/64 Studebaker Hawks. Heater located under right (passenger) side front seat.
These vehicles came with a separate heater/defroster located under the dash. The blower motor was so anemic, it couldn't blow out a match!
The name Land Cruiser originally belonged to Studebaker, it referred to a long wheelbase sedan. Toyota adopted the name after Studebaker stopped using it in 1952.
These vehicles came with a separate heater/defroster located under the dash. The blower motor was so anemic, it couldn't blow out a match!
The name Land Cruiser originally belonged to Studebaker, it referred to a long wheelbase sedan. Toyota adopted the name after Studebaker stopped using it in 1952.
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Posting Guru
Joined: Nov 2008
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From: wyoming
heater has to work in my crew, got me thinking!
Just drew my archery elk tag and heater has to work! Just found out on my special draw elk tag,SWEET! we going huntin in my crew for the first time this year. sorry for jumping in but been looking at my heater and just rebuilt everything! 
Ford Parts Specialist
Joined: Nov 2006
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From: Simi Valley, CA
1964/72: C3UZ-18495-A .. Cable Controlled Heater Water Valve (Motorcraft YG-133) / Available from Ford.
Splices into the inlet to heater core heater hose. The little charmer gets stuck closed/open or partially.
1973/79: There is no heater water valve unless the truck has factory installed integral A/C.
Logistics Pro
Joined: Nov 2003
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From: PA
Numberdummy brought up a good thing to check. The valve that allows flow to the heater core. All my cars and trucks had problems with these valves and had to replace them. On my 64 f100 the cable and **** in the cab would move but the valve was frozen in place have you checked and made sure yours ain't stuck? That would take away from heating up the cab but then again were talking crews so more cab room means more space to heat maybe the stock heater system isn't enough to heat the extra room in the crews compaired to regular cabs
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Senior User
Joined: Jun 2009
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From: Bearspaw Alberta Canada
Everything works well on my crew and was either overhauled or replaced. I think the problem is there are only 2 defrost vents and 2 lower vents trying to heat a large space.
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