SECTION 05: COOLING SYSTEM
DOB 2490-2789 | X3-45 Commuter PA1605 Maintenance Manual (Final Version – Rev.2 April 2016)
5
housing) to compensate for the normal
expansion/contraction of/*a hose and metal
connection that occurs during vehicle operation
and shutdown. These clamps are worm-driven,
made of stainless steel.
FIGURE 3: CLAMP TYPE USED ON HEATING &
COOLING SYSTEMS
FIGURE 4: PROPER HOSE CLAMP INSTALLATION
All connections equal or greater than of 2-in OD
have doubled clamps (two clamps side by side)
with screw housing separated from at least 90°.
A torque wrench should be used for proper
installation. The recommended torque for these
clamps is
30 lbf-in at room temperature
.
FIGURE 5: DOUBLED CLAMP POSITIONING
CAUTION
Do not over-tighten, especially during cold
weather when hose has contracted.
FIGURE 6: COOLANT FLOW TO RADIATOR (VOLVO
D13)
FIGURE 7: COOLANT LINE TO THE RADIATOR
FIGURE 8: COOLANT LINE CONNECTED TO PUMP
OUTLET
