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Transfer won't stay in high range

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Old 02-23-2011, 01:53 PM
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Transfer won't stay in high range
Working on an 03 F-550 with manual trans. and 6.0. Tansfer case will not stay in high range in 4x4 mode. Linkage and bushings all look ok. Anyone had this problem or have any ideas what may be the problem?
 
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Old 02-23-2011, 02:43 PM
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electric or manual t-case. could be the motor going out, if manual could need adjusting
 
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Old 02-24-2011, 05:30 AM
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Manual case. Don't see any way to adjust it as it just a flat steel linkage with hole on each end with bushings in them.
 
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Old 02-24-2011, 09:29 AM
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when was the last time you changed the t-case fluid? i changed mine at 70k and it was black as all hell! i changed it to Mobil1 synthetic tranny fluid, never been better
 
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