Fan Clutch???
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Freshman User
Joined: Jul 2006
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Fan Clutch???
Hi Everyone,
Have a truck here in the garage that is running a little hot. It's a '78 F-150 Ranger. Been poking around to try to find the problem. I noticed that the fan has a clutch on it. I've never seen one of these old Fords with a fan clutch. I didn't think they started using fan clutches until the mid-80's. So, I'm beginning to wonder if that's the problem. The truck is a Lariat and does have factory air. I'll admit, I've never worked on one of these old Fords that had air conditioning in it. So, does anyone know if the fan clutch is orginal equipment for the truck, or did the someone, somewhere, graft one on from a later model truck? The motor is a 400, by the way.
Thanks!!
Have a truck here in the garage that is running a little hot. It's a '78 F-150 Ranger. Been poking around to try to find the problem. I noticed that the fan has a clutch on it. I've never seen one of these old Fords with a fan clutch. I didn't think they started using fan clutches until the mid-80's. So, I'm beginning to wonder if that's the problem. The truck is a Lariat and does have factory air. I'll admit, I've never worked on one of these old Fords that had air conditioning in it. So, does anyone know if the fan clutch is orginal equipment for the truck, or did the someone, somewhere, graft one on from a later model truck? The motor is a 400, by the way.
Thanks!!
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 785
From: Simi Valley, CA
Fan clutch 351M/400 1977/79
The first use of a fan clutch (known originally as a viscous drive) was in 1963 on FE engined passenger cars with A/C.
This same fan clutch (later updated to a '64 p/n) was used on 1968/72 F100/350's with A/C: C4SZ-8A616-B.
--------------------------------------------------------------------------------------------------------
1977/79 F100/350 & 1978/79 Bronco ~ 351M/400 with A/C or Trailer Tow package:
E1TZ8A616B .. (replaced E1TZ-8A616-A & D4TZ-8A616-A)
MSRP: $234.48 / ftepartsguy.com price: $135.06
This same fan clutch (later updated to a '64 p/n) was used on 1968/72 F100/350's with A/C: C4SZ-8A616-B.
--------------------------------------------------------------------------------------------------------
1977/79 F100/350 & 1978/79 Bronco ~ 351M/400 with A/C or Trailer Tow package:
E1TZ8A616B .. (replaced E1TZ-8A616-A & D4TZ-8A616-A)
MSRP: $234.48 / ftepartsguy.com price: $135.06
Senior User
Joined: Apr 2005
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From: Port Coquitlam, BC Canada
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Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 785
From: Simi Valley, CA
No 300 fan clutches are listed in the Ford truck parts catalogs till 1982.
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Post Fiend
Joined: Jul 2004
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From: Northern California
Fan Clutch conversions are very easy though.
If you want to do the conversion, Dr. Dirt, all you have to do is give your local auto parts store the year make and model of your truck, engine size, and ask them for a thermal fan clutch, and fan clutch Fan blade, and they will set you up with what you need.
The Fan clutch takes place of the fan spacer and bolts directly to the water pump. You will need the "fan clutch fan blade", because of the difference of the blades.
hope this helps.
If you want to do the conversion, Dr. Dirt, all you have to do is give your local auto parts store the year make and model of your truck, engine size, and ask them for a thermal fan clutch, and fan clutch Fan blade, and they will set you up with what you need.
The Fan clutch takes place of the fan spacer and bolts directly to the water pump. You will need the "fan clutch fan blade", because of the difference of the blades.
hope this helps.
