10/26/2000 · Re: TH400 help – no downshift to 1st If it won’t go into first when you come to a stop, then the governor is probably stuck (located behind the little cover on the pass. side rear of the trans). If it won’t kickdown to first when you mash the throttle, it is probably because the kickdown solenoid isn’t getting a signal or isn’t working properly.
9/26/2008 · TH400 wont downshift into 1st. Jump to Latest Follow 1 – 11 of 11 Posts. W … There are no shift solenoids on a TH400 only the detent. If your trans never drops to 1st manually or on its own, the problem is most likely in the valve body. 1-2 shift valve binding or stuck.
10/2/2018 · Trash in the Governor spool valve caused no shift to 2nd gear and excessive slipping. I wouldn’t have thought the Governor was so important. No trash found i…
6/23/2003 · TH400 no downshift. Discussion in ‘Chevy Trucks’ started by Clemens, Jun 21, 2003. Clemens Junior Member …
12/4/2013 · Re: TH400 No Shift problem– valve body removal? I have considered hooking up the downshift solenoid to a button on the shifter to kickdown on command. But, I also find it easy enough to shift it down a gear, blip the throttle like you would on a stick, and it works.
Ask Away: How Do You Hook up a Turbo 400 Kickdown? (Hint …
TH400 help – no downshift to 1st – Off-Road Forums …
Ask Away: How Do You Hook up a Turbo 400 Kickdown? (Hint …
Ask Away: How Do You Hook up a Turbo 400 Kickdown? (Hint …
11/22/2011 · Ok guys, I’m digging up an older thread, so I need some help. I’m having trouble with my TH400 , roughly the same issues described by Scallop. I have Park, Reverse, and First. Transmissions are all black magic to me, auto and manual. All I have done so far is pull the governor out, and it looks great (not that I know what I’m looking for).
4/18/2014 · A common failure on these units when they fail to upshift could be this solenoid stuck open. It’s rare that you see them in pieces like this one, but they do…
I have two vehicles with TH400s. One is a ’75 Cherokee. Under medium throttle (steep hills), it will downshift from 3rd gear to 2nd. This is without the kickdown switch energizing. The other one is a ’66 Olds Toronado, with a TH425. Does not downshift the same way, but.
11/16/2010 · TH400 transmission downshift electrical connector. … So, anyone got any TH400 info they could share I would really appreciate it. Sep 14, 2010 #2 Warthog Moderator. Super Moderator. Steel Soldiers Supporter. 13,805 138 63. Location OKC, OK. The connector is a regular spade connector.
