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  #1  
Old 09-14-2010, 11:10 PM
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Grinding into 3rd gear...

I have a 2001 F150 4.2l V6 with 107,000 miles and a 5 speed manual transmission. Lately, when its been hotter out and I've been driving my truck for a bit it has a problem with 3rd gear. I shift it into 3rd gear and it grinds the gears for a half second then slips into gear. I know i have the clutch all the way down, I just dont know what's going on. Anyone know what the problem could be? anything helps!
Thanks in advance.
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  #2  
Old 09-15-2010, 02:15 PM
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I had the exact same problem withe the same year of truck, I finally pulled the trans and went and had it rebuilt, its almost back in, Ill let you know if it solved it. I was getting advice from different sources that is was the 3rd gear solenoid. I drove with the 3rd gear grinding for 2 yrs, damn annoying aint it.
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  #3  
Old 09-15-2010, 05:00 PM
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Quote:
Originally Posted by Bryan777 View Post
I had the exact same problem withe the same year of truck, I finally pulled the trans and went and had it rebuilt, its almost back in, Ill let you know if it solved it. I was getting advice from different sources that is was the 3rd gear solenoid. I drove with the 3rd gear grinding for 2 yrs, damn annoying aint it.
my 08 is doing this going into 4th gear. only has 36k on it. someone told me my 4th gear syncronizers were bad. most of the time it doesnt do it. but it wont grind and then go in. it grinds WHILE going into 4th with the clutch pedal fully pressed.
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  #4  
Old 09-16-2010, 08:03 PM
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My 92 did this going into OD. I changed the fluid in it a few days ago and it hasn't done it since.
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  #5  
Old 09-22-2010, 02:34 PM
glc glc is offline
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With 107k, it's due for a fluid change. I recommend synthetic ATF. I'd also bleed the clutch on general principle.
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Old 09-23-2010, 09:36 PM
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from my records the fluid was changed with ATF at 85k and I just bled the clutch a few days ago. it hasnt done it since, but I havent driven it enough to get it heated up.
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  #7  
Old 09-23-2010, 11:07 PM
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It should not be a clutch problem if it will go into reverse with out grinding since it has no syncronizer. Very doubtfull a fluid change will do anything. More than likley your syncronizer is bad. It could just a blocker ring but with all the labor involved replace the whole thing. Also check the gear where the slider engages the gear for wear. ASE master tech.
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  #8  
Old 09-24-2010, 05:17 PM
glc glc is offline
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Oldfooter, the M5OD-R2 has a synchro on reverse.
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Old 09-24-2010, 05:17 PM


 
 
 
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