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Username Post: th400 trans        (Topic#366016)
995jim 
"5th Year" Platinum Supporting Member
Posts: 721
995jim
Loc: Ohio
Reg: 12-17-06
08-04-21 04:24 PM - Post#2824501    

Hi, Does the th400 trans have a standard quantity of fluid to fill with 1 qt already in torque converter. I want to start a new engine in my resto but dont have driveshaft yet.I would just leave it in park. Just waiting till car has full weight before measuring shaft length
thanks jim

Jim

65' Impala SS, 65' Belair, 89' Silverado Z71, 95' Silverado Z71, 12' Silverado, 15' Silverado LTZ, 16' Tahoe LTZ


 


Rick_L 
Member #409
Posts: 27905
Rick_L
Loc: Katy, Tx, USA
Reg: 07-06-00
08-04-21 04:54 PM - Post#2824505    
    In response to 995jim

Fill quantity will vary with the actual torque converter used and also how much fluid is in the cooler and lines. It's going to be 10-13 quarts.

Thing is, you can't get all the fluid in a new start up until you start it and move the gear selector through all positions. The usual deal is you fill it to the dipstick mark, then start it and shut it off. Fill again to the dipstick mark, start it and move the shifter through all positions and fill again. Start it again and fill to the dipstick mark, this time while running.

If you don't have a driveshaft, stick a used driveshaft yoke in it for this exercise. Or just wait.



 
995jim 
"5th Year" Platinum Supporting Member
Posts: 721
995jim
Loc: Ohio
Reg: 12-17-06
08-05-21 08:28 AM - Post#2824548    
    In response to Rick_L

I have the yoke but will it free wheel while shifting and cause grinding during shifting?

Jim

65' Impala SS, 65' Belair, 89' Silverado Z71, 95' Silverado Z71, 12' Silverado, 15' Silverado LTZ, 16' Tahoe LTZ


 
Rick_L 
Member #409
Posts: 27905
Rick_L
Loc: Katy, Tx, USA
Reg: 07-06-00
08-05-21 08:48 AM - Post#2824549    
    In response to 995jim

You said you were going to leave it in park?



 
995jim 
"5th Year" Platinum Supporting Member
Posts: 721
995jim
Loc: Ohio
Reg: 12-17-06
08-05-21 12:44 PM - Post#2824559    
    In response to Rick_L

I planned on leaving it in park just to start the engine and wondered if there would be any adverse affect to the trans without shifting through the selector to move trans oil around.

Jim

65' Impala SS, 65' Belair, 89' Silverado Z71, 95' Silverado Z71, 12' Silverado, 15' Silverado LTZ, 16' Tahoe LTZ


 
5Larry7 
"18th Year" Gold Supporting Member
Posts: 2043
5Larry7
Loc: Dallas, TX
Reg: 05-17-04
08-05-21 02:32 PM - Post#2824573    
    In response to 995jim

Were it me I would wait until the driveshaft is in place so you can shift it through the gears as per Rick L posted.

'57 210, 327 cid, Holley MPFI, 700R4, A/C & more.
'51 Studebaker Starlite coupe, 350, TH400, GV OD.
'96 Replica of a 1950's Teardrop Trailer.


 
995jim 
"5th Year" Platinum Supporting Member
Posts: 721
995jim
Loc: Ohio
Reg: 12-17-06
08-06-21 12:51 PM - Post#2824650    
    In response to 5Larry7

ok. I will just load the seats, tailgate and bumper in for actual weight to get the shaft made due to mods with the car.

Jim

65' Impala SS, 65' Belair, 89' Silverado Z71, 95' Silverado Z71, 12' Silverado, 15' Silverado LTZ, 16' Tahoe LTZ


 
bobb 
Super Senior Member
Posts: 5882

Loc: paradise
Reg: 09-05-03
08-07-21 09:20 AM - Post#2824685    
    In response to 995jim

start it put it in gear and turn it off. then back to park or neutral.

70 L camino, grampa engine, g-force 5 spd, road rage suspension. Pray first before all else fails.


 


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