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96 f150 manual - hard shift

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Old 12-06-2008, 09:59 AM   #1
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Default 96 f150 manual - hard shift

This is a 1996 f150, 5.0L, manual 5 speed. When the truck is run cold before coming up to normal operating temperature, the transmission shifts smooth through all gears. When the temp. is normal, I get hard shifting especially between 1st and 2nd. Any tips on what causes this? Is it vacuum related?
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Old 12-06-2008, 12:24 PM   #2
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Wondering if your clutch is not fully disengaging? Not aware of any vacuum components on a manual tranny, but I'm not really up to date on the newer stuff.
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Old 12-06-2008, 01:06 PM   #3
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check the case of the trans for fluid leaks.
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Old 12-06-2008, 02:17 PM   #4
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Default tranny dry

There are no transmission fluid leaks at all. The clutch resoivoir is full. The truck has 200k and I see from the svc. records the clutch was replaced including clutch kit and pressure plate at 160k. When you let the clutch pedal out it engages normally and well before the pedal is fully released.
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Old 12-06-2008, 04:36 PM   #5
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Make sure the tranny is full of fluid, it takes Dextron/Mercon III. The shifter bushings are probably worn out and will cause hard shifting. With the shifter in gear there should be minimal side to side play.
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Old 12-07-2008, 08:36 AM   #6
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Default trannt fluid

Quote:
Originally Posted by Just call me Sean View Post
Make sure the tranny is full of fluid, it takes Dextron/Mercon III. The shifter bushings are probably worn out and will cause hard shifting. With the shifter in gear there should be minimal side to side play.

I just read this and now I am confused. Dextron/Mercon III in a manual. Isn't this an automatic fluid.I thought manuals took a heavier fluid like 80W. Please set me straight, because I was going to go get some fluid TODAY and top mine off since I have a hard shifting from 1st to 2nd.(1996 F-150 4.9/5 speed manual. My famous quote,Please God keep me from screwing this up. Thanks guys Mike
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Old 12-07-2008, 05:46 PM   #7
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Default confirm use of Mercon III

According to the Haynes manual, only the manual transmissions on 92 and earlier call for sae 80w gear lube, 93 and newer 4, 5 speed use Mercon.
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Old 12-07-2008, 07:17 PM   #8
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ALL M5OD 5 speed manual transmissions require Dextron/Mercon III, not just '93 and newer.
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Old 12-07-2008, 11:32 PM   #9
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replace and bleed your clutch fluid will probably fix it, do your tranny fluid too before the tranny takes a dump on you
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Old 12-07-2008, 11:46 PM   #10
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before the tranny takes a dump on you
That's disgusting.
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