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1996 4.9 with no AC?

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1996 4.9 with no AC?

Post #1 by 97HeavyDuty » Fri Sep 13, 2019 10:16 pm

So I'm not sure I've ever seen a 92-97 F series with no AC. Did any come that way from the factory? If so did they have an idler in the compressors place? What I'm trying to accomplish is to bypass my smog pump. All my emissions have been deleted already, I just kept the pump (gutted of course) so I could use the belt I already had. My issue is, the pump bearing is going out and I doubt I can rebuild it, or at least what's the point since it just acts as an idler. If I used a non AC belt on an AC truck with no smog pump it would fit fine.

For the record I looked on rockauto but not sure I trust everything I read.

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Re: 1996 4.9 with no AC?

Post #2 by sdiesel » Sat Sep 14, 2019 1:19 am

genrally it was an order delete, but there were a lot of f series with no a/c.
I drove a unique animal , a 94 , black 5 spd, powerstroke, ...with cruise tilt ...and no a/c
a long love affair with the 300 six.
my lastest and final fling is a fresh 300 in an 88 ford f350 dually 4X flatbed

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Re: 1996 4.9 with no AC?

Post #3 by BigBlue94 » Sat Sep 14, 2019 12:55 pm

Why not just get a delete pulley? Or is this a six? Didnt think about that lol


Or go to the JY and find another good smog pump to devane.

I too have a sorta odd truck. 1996 F350 rclb 4x4 with a 351 and C6. It does have AC, but no cruise, or power windows or locks. Also has a bench used in bare bones f150 2wds with no arm rest and molded in headrests. It does have have the monster BW4407 transfer case too.
1985 Bronco. 309ci I6, NP435, 4.56 gears, Detroit locker and tru-trac, 4" lift, and 37" swamper tires. The 309 is 9.75:1 CR with a Schneider 140H cam, 4bbl, roller rockers, larger valves, and headers.

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Re: 1996 4.9 with no AC?

Post #4 by jgregg13 » Sun Sep 15, 2019 12:23 am

Mine is a '94 that came without AC. I've since added an AC compressor and removed the AIR pump. The old belt was too long for this arrangement. I cut it and used vice grips (first photo) to clamp the overlapped belt and mark it to get the correct length.

The result is a 6K942 (94.2") belt works.
There is an issue though. the bottom alternator bolt head interferes with the belt path. So I countersunk the bracket and used a flat socket head bolt to mount the alternator. All this is with a small frame 2G alternator.

I've since replaced the 2G with a large frame 3G alternator, which the bracket also accommodates, however a 95" belt is recommended. I was able to get the 942 belt on, but it is very tight and I had to swing the top of the alternator in to get it on.

OOPS, the lengths quoted above will be too short for your truck as I had modified my PS/AC bracket to tuck it in about 1" closer to the block. So belt length with the small alternator should be 96 to 96.5" and for the large 3G 97 to 97.5". The large alternator does not have the bolt head interference problem.

2G showing bolt interference proximity.

3G installed.

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