Please help! Rebuilt 700r4 rolling while in park/all gears.

[BlazerBill]

I bought and installed a rebuilt 700R4 automatic transmission into my ‘83 K5 4WD and a new GM crate SP350 and am in the process of trying to start the engine for the first time for break in purposes. When I pushed the truck out of the garage to attempt a test start of the engine, I noticed that I forgot to shift it into neutral to push it out. Thinking the shift linkage wasn’t adjusted properly, I disconnected the shift linkage and found that the truck would roll (engine off) in any gear as I turned the gear selector shaft at the transmission. As a side note, the engine will turn over with key on in any gear but won’t start and I think I have isolated the no start to the HEI ignition coil which I’m currently replacing. What would cause the truck to roll in any gear? I’d appreciate your input! Thanks!

 

[Frankenchevy]

Are you sure it’s getting into park? Is the transfer case in neutral?

It’s possible that you park pall is broken…

 

[BlazerBill]

I have confirmed adjustment of the shifter linkage with the shift shaft and it goes through each gear properly however I don’t know what it’s doing or not doing inside the transmission. Shifting feels “notchy”, as normal.

 

[Chevy 88]

I know this is probably a stupid question, but you do have a driveshaft installed, right?

 

[BlazerBill]

No, driveshafts are not yet installed. Why would that make any difference?

 

[BlazerBill]

Nevermind!!! What a brain fart. I’m so obsessed with trying to get the engine running, I didn’t think about that. Geez, sorry!!!

 

[Robert Bare]

lol.

 

[Camar068]

lol that was a good one.

 

[xm20k]

Nevermind!!! What a brain fart. I’m so obsessed with trying to get the engine running, I didn’t think about that. Geez, sorry!!!

Better that than what this guy forgot.

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