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1967 - 1972 F-100 & Larger F-Series Trucks Discuss the Bumpsides Ford Truck

lost my power steering

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Old Apr 2, 2011 | 03:31 PM
  #1  
newkyford's Avatar
newkyford
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lost my power steering

I just replaced the pump but still no steering. Suggestions for next step?? 69 ford f100 thanks!!!!

AFTER the fact, fluid appears to be leaking from the steering box itself.
 

Last edited by newkyford; Apr 2, 2011 at 04:01 PM. Reason: found another issue
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Old Apr 3, 2011 | 04:56 AM
  #2  
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You may need a seal kit in the gear. They have been known to leak at the bottom. It'll take some heavy tools to get to it but should be fixed in a couple hours. I suspect the leaking seal is why there is no fluid.

Get a 12 oz. bottle of Lucas Power Steering Stop Leak, lift the front of the truck until the tires are off the ground. Fill the pump with the Lucas and start turning the steering wheel bump to bump about 20 times. After 6-8 turns check the level. You don't want the fluid too high in the pump near the end because it will puke it, making a mess to clean. You should have the system full again.

Don't know if the Lucas will stop the lower seal leak (if it's bad), but it is gooood stuff. IMHO






John
 
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Old Apr 3, 2011 | 06:26 AM
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John, the OP's truck is a 1969. Does it have Bendix or Ford P/S? Both will be found in 1969's as it depends on the serial number.

If it's Bendix, the master gearbox seal kit (C6TZ-3E700-A) is obsolete, and AFAIK, only Green Sales has any.

The serial number is the last 6 digits of the VIN

1969 F100/250 2WD before serial number D96,001: Bendix P/S.

1969 F100/250 2WD & F350 from serial number D96,001: Ford P/S...which uses two gearbox seal kits. One for the sector shaft (D7AZ-3E501-B), another for the input shaft (F3AZ-3E502-A).

The Ford P/S seal kits are available from Ford and a gazillion autoparts stores and were used in 1965/2002 misc passenger cars, 1969 thru the late 1990's in F100/350's and etc.
 
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Old Apr 3, 2011 | 01:40 PM
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thanks for the advice/opinions. the last 6 numbers in my VIN start with the letter D. I'm not an experienced mechanic myself, so am wondering if it's best to try to replace the whole gear box?
 
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Old Apr 3, 2011 | 02:04 PM
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Search the forum for power steering...one of the Tech articles shows you the diff between a Bendix and a Ford Saginaw gear box. You could have either one, depending on the serial number of your truck. Saginaw boxes rebuilt are easy to find and pretty easy to afford...not so with Bendix. They are costly and scarce. Use the Lucas stop leak like Joe said...had the same prob in my 69 F250 and I nursed it along with the Lucas power steering syrup until I found a decent, non-leaking Bendix box in a junkyard truck. That cost me $150, plus $100+ to have it installed...not cheap, but do-able since I didn't have the time to do it myself and didn't want to pay upwards of $500 for a rebuilt Bendix, plus installation labor. Considered swapping to manual steering, but arm-strong steering is a bear in these old beasts. Hit the boneyards and look for a old scrapper truck with a Bendix box. It's not hard to pull out, but you need someone else to keep the box from crashing down on your head/face if you aren't careful...something else I learned...it's best to get the whole system...pump, box and rag joint when you find a donor.
 
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Old Apr 4, 2011 | 04:54 AM
  #6  
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Originally Posted by NumberDummy
John, the OP's truck is a 1969. Does it have Bendix or Ford P/S? Both will be found in 1969's as it depends on the serial number.

If it's Bendix, the master gearbox seal kit (C6TZ-3E700-A) is obsolete, and AFAIK, only Green Sales has any.

The serial number is the last 6 digits of the VIN

1969 F100/250 2WD before serial number D96,001: Bendix P/S.

1969 F100/250 2WD & F350 from serial number D96,001: Ford P/S...which uses two gearbox seal kits. One for the sector shaft (D7AZ-3E501-B), another for the input shaft (F3AZ-3E502-A).

The Ford P/S seal kits are available from Ford and a gazillion autoparts stores and were used in 1965/2002 misc passenger cars, 1969 thru the late 1990's in F100/350's and etc.
Good catch.




John
 
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