A/T - ZF4HP-22 No Upshift
Date: 1996Technical Bulletin # 349
Transmission:
ZF4HP-22
Subject:
No upshift
Application:
Peugeot
ZF4HP-22
No Upshift
A no upshift condition (or a very late shift to second but no third or fourth) may be caused by a misassembly of the secondary governor valve. The Peugeot governor is unique; it has an extra (secondary) body and valve assembly. The following illustration shows the components of the governor in the correct order.