76 4x4 manual steering box

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Jun 24, 2018 | 12:17 PM

bigcrunch

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76 4x4 manual steering box

On a 1976 F250 4x4 the manual steering box is filled with oil or grease?

Jun 24, 2018 | 12:31 PM

flatbedfordguy

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Pump it full with grease, the grease will "melt" from the under hood engine heat and do its job, oil will be too "fluid" and seep thru the seals.

Jun 24, 2018 | 05:50 PM

1972RedNeck

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From: Townsend, MT

Ford recommends "Steering Gear Grease".

Jun 24, 2018 | 06:14 PM

flatbedfordguy

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Quote:

Originally Posted by 1972RedNeck

Ford recommends "Steering Gear Grease".

AKA whatever is available on the shelf at NAPA lol

Jun 25, 2018 | 12:35 PM

bigcrunch

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Here is what I did remove the lower front cover bolt pumped it full off grease and I mean full this pushed out the old out the bottom bolt hole. the top fill hole plug is a vent also(on my 76) it may not be a good idea to replace it with non vent style since grease tends to expand when heated.

Jun 25, 2018 | 01:15 PM

flatbedfordguy

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Quote:

Originally Posted by bigcrunch

the top fill hole plug is a vent also(on my 76) it may not be a good idea to replace it with non vent style since grease tends to expand when heated.

My gearbox also had a vented plug, I replaced it with a non-vented plug. You'd be surprised how much grease is spit back out of the vented plug, it's quite a bit. I'd rather have that grease inside the gearbox not outside lol. So far I've had no issues with grease blowing past the seals.