Buy 131424-5720 ZEXEL 9 411 611 191 BOSCH OVER FLOW VALVE 9411611191 1314245720 221071240a

Keep all parts clean from contaminants. Contaminants put into the system may cause rapid wear and shortened component life.
1. Remove four bolts (1). Disconnect wires (2) and (3). 2. Remove jake brake (A) by lifting with one hand while holding oil tube (4) to insure it does not come out of jake brake (B).3. Remove jake brake (B). 4. Remove four spacers (5). Install in reverse order.End By:a. install valve cover
Perform Scheduled Oil Sampling on oil wetted compartments after performing service work to check for contaminants left in the system following repair. Contaminants put into the system may cause rapid wear and shortened component life.
Disassemble And Assemble Jake Brake
Start By:a. Remove jake brake
Keep all parts clean from contaminants. Contaminants put into the system may cause rapid wear and shortened component life.
1. Remove oil tubes (1) and (2). Remove the o-ring seals and check for wear or damage. Replace the o-ring seals during assembly if required. 2. Remove snap ring (3), cup (4), spacer (5), springs (6) and (7) and piston (8). 3. Remove three retaining rings (9). Remove clip (10), Springs (11) and (12) and piston (13) from three locations on the jake brake. 4. Remove three bolts (16), washers (15), clips (14) and piston (17). Assemble in reverse order.End By:a. install jake brake
Perform Scheduled Oil Sampling on oil wetted compartments after performing service work to check for contaminants left in the system following repair. Contaminants put into the system may cause rapid wear and shortened component life.