Your Chrysler 727 / 904 Pro Brake valvebody is designed to have a reverse … If necessary, refer to a transmission manual for detailed instructions on …
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INSTALLATION INSTRUCTIONS FOR CHRYSLER 727 AND 904 PRO BRAKE PART #42023
Special Tools Required:
11/32″ Drill Bit
1/16″ Drill Bit
1/8″ NPN Tap
Parts Required:
#3.8 or #4.2 (preferred) Intermediate Band Lever
Four Clutch Drum
Bolt -In Sprag Assembly
Your Chrysler 727 / 904 Pro Brake valvebody is designed to have a reverse lockout safety feature. To engage reverse, the shifter must be placed in reverse and the Trans brake switch must be depressed simultaneously.
Install a good bolt-in sprag!
If necessary, refer to a transmission manual for detailed instructions on disassembly and reassembly.
The transmission should be completely disassembled, and thoroughly cleaned. COA-42023.doc
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05/18/2004
After disassembly, drill hole in case with 11/32″ drill bit and then tap with 1/8″ NPT TAP, then install electrical connector.
Use a 1971 and up, 4 clutch, Front Clutch Pack Drum with wide bushing (recommended). It must match the front pump support bushing area.
Drill a 1/16″ bleed inside the piston next to the 90-degree sealing edge between spring towers. Use a 15-spring piston; install all 15 of the 1.4 late…
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