MODEL 330 OPERATOR'S MANUAL - Peterbilt Motors Company
MODEL 330 OPERATOR'S MANUAL - Peterbilt Motors Company
MODEL 330 OPERATOR'S MANUAL - Peterbilt Motors Company
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Cooling System<br />
• Replace the filters<br />
• Refill with premixed coolant. Consult the Medium Duty<br />
Maintenance Manual for the correct filters to install.<br />
Additives<br />
If you add supplemental coolant additives to the radiator,<br />
maintain them at the recommended levels. Read the label<br />
carefully. Too much additive could harm your vehicle.<br />
Approved additives help neutralize the water's harmful<br />
effects on your vehicle's cooling system. Ask your dealer to<br />
recommend the best ones for you.<br />
• Do not add rust inhibitors, radiator sealants, or water<br />
pump lubricants containing soluble oil to the coolant.<br />
These additives can cause the anti-corrosion chemicals<br />
not to work.<br />
• If the cooling system in your truck has a treated spin-on<br />
water filter, install the service filter on all “B” or “E” scheduled<br />
service intervals. See Table 3, “Maintenance<br />
Schedule,” Page 124. For more detailed recommendations,<br />
check with your <strong>Peterbilt</strong> Dealer, an Authorized<br />
Service Center, or check the manufacturer's Engine<br />
Operation and Maintenance Manual.<br />
Preventive Maintenance<br />
• Antifreeze solutions containing anti-leak additives will<br />
quickly restrict the water filter. If this happens, the filter<br />
will not work. So stay away from anti-leak additives.<br />
CAUTION: Do not add inhibitor if the engine has<br />
a Dry Charge Additive (DCA4) water filter cartridge<br />
containing corrosion inhibitor—engine<br />
damage from overconcentration of silicates may<br />
occur.<br />
• The water filter cartridge containing DCA4 inhibitor must<br />
be periodically changed. Refer to the Engine Operation<br />
and Maintenance Manual for details.<br />
CAUTION: Do not mix inhibitor types. Improper<br />
mixing of coolant may damage the engine.<br />
• For coolant conditioner recharge intervals see the<br />
Engine Operation and Maintenance Manual or the<br />
Medium Duty Maintenance Manual.<br />
Change and Refilling<br />
The coolant must be changed periodically. When draining<br />
coolant, capture old coolant and dispose of it properly.<br />
– 150 – PB1318 3/01 Model <strong>330</strong>