Nissan Altima (L32) 2007-2012 Service Manual: Power steering oil pump
QR25DE : Disassembly and Assembly
The power steering oil pump and pulley is not serviceable and should be
replaced as an assembly. For front
and rear bracket removal, refer to ST-19, "QR25DE : Removal and Installation".
VQ35DE : Disassembly and Assembly
The power steering oil pump and pulley is not serviceable and should be
replaced as an assembly. For front
and rear bracket removal, refer to ST-20, "VQ35DE : Removal and Installation".