C4 Transmission issue

[ss3011]

Take a look at a Ford shop manual and torque the adjuster pin to spec , then back off the pin by the recommended setting then tighten the jamb nut . This setting might have to be changed if the band runs against an aluminum drum . Typically if you back off the pin less, the more overlap or tie up will occur (less flare) . This assumes the band and the drum surface is in good condition . Too tight a setting might cause the band to drag and the car slowdown in 1st gear . The high gear circuit needs to be leakfree . With the VB removed you can aircheck these circuits . Check a see what servo you have , If you have a flare problem , an "H" servo might be a good one to use , there are billet versions of that servo available . Also typically a C4 only has a 4 plate high gear clutch , which may not have enough capacity , depending on torque and rpm . A 5 plate clutch pack helps that . A flare on the 2-3 shift could be telling you the high gear clutch is burnt .