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Old Dec 13, 2005 | 05:23 AM
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flexplate/starter Q's

hello all. new to the site and this is my first post here, obviously. got a couple questions if you wouldn't mind.

first off, i just picked up an 84 f-150. it's the 2wd version w/ the 351w and a auto tranny. the guy i bought it from sold it because he said the flywheel was out of it and he didn't want to mess with it. it's onlt been setting for a few months tops. he says it ran perfect other than the bad flywheel, and just progressively got worse until it wouldn't start. now for the questions.

with a fully charged battery, when key'd to start. all i get is a strong buzzing noise. not like the starter is just spinning free, more like it's jammed up. does that sound like a starter issue or maybe the flexplate has lost a tooth that is jammed up in the starter gear? also, i believe it takes the 164 tooth 28oz flexplate. but i'm not even sure if it has a c4 or c6 tranny, or if that even matters.

anyone with any info on this truck, or a solution to my questions... your input would be greatly appreciated. thanks in advance.
 
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Old Dec 13, 2005 | 09:18 AM
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Thread moved to " 221, 260, 289, 5.0/302, 5.8/351W V8" tech forum.


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Old Dec 13, 2005 | 09:39 AM
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the tranny would be a C6, the c4 was a car auto and wasnt put into any trucks. if you hear a buzzing it could be the solenoid on the fender near the battery. I would also replace the starter to while your at it. and when under there remove the inspection plate to the tranny/bellhousing an look at the flexplate. you will know right away if its in bad shape or not.
 
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Old Dec 14, 2005 | 01:25 AM
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thanks, i figured i needed to pull the starter to get anywhere. i'll let ya know what i find out.
 
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Old Dec 14, 2005 | 06:28 AM
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ok, it's definately gonna need a new flywheel/flexplate. as far as i know it needs the 164 tooth 28.2 oz balanced flexplate. is that correct?

is there a specific part number i need? someone told me there is also a 164 tooth 28 oz fleplate for an AOD. that sometimes the part numbers get crossed, and the AOD flexplate won't allow the torque converter to bolt properly. any help here would be appreciated.

thanks.
 
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Old Dec 15, 2005 | 11:07 AM
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your auto is a C6 trust me they wont get it mixed up because the AOD wasnt mated behind a 351w in a truck application. mine has one because the rig had a 302 in it first.
 
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