Section 05: COOLING SYSTEM
PA1562
13
NOTE
On Volvo D13 engine, the regular drain plugs
are replaced by quick connect fittings to ease
draining and filling of coolant system. Coolant
system may be refilled by the use of the quick
connect fittings.
NOTE
Make sure the purge lines are properly
connected and not obstructed. The purge lines
(thermostat housing dome, radiator top tank,
transmission oil cooler or delivery line) are
required to ensure complete engine fill and
proper purging of air in the system.
NOTE
The coolant level should remain within two
inches of the surge tank filler neck.
4. Install the filler and pressure caps, then start
the engine and run it at fast idle until
reaching normal operating temperature.
Check for leaks.
NOTE
If for any reason, the coolant level drops
below the surge tank level probe, the Check
Engine warning light will illuminate.
5. Stop engine and allow cooling.
6. Open the two heater line shutoff valves,
check the coolant level in the surge tank,
and then add as required.
CAUTION
Never pour cold coolant into a hot engine.
The sudden change in temperature may crack
the cylinder head or block.
If the entire system has been drained, redo the
previous steps while maintaining the two heater
line shutoff valves in the "Open" position. With
engine running, activate the driver's and central
heating systems to permit coolant circulation.
Complete the procedure by bleeding the heater
cores as explained in Section 22, under
“Bleeding Heating System”.
8. FLUSHING
If the cooling system is contaminated, flush the
cooling system as follows:
1. Drain the coolant from the engine.
2. Refill with clean water.
CAUTION
If the engine is hot, fill slowly to prevent rapid
cooling and distortion of the engine castings.
3. To thoroughly circulate the water, start and
run the engine for 15 minutes after the
thermostats have opened.
4. Fully drain system.
5. Refill with clean water and operate for 15
minutes after the thermostats have opened.
6. Stop engine and allow cooling.
7. Fully drain system.
Vehicles without coolant filters:
Fill with a 50/50-antifreeze/water solution
and add required inhibitors.
Vehicles with coolant filters (DDC Series 60
engine):
Replace the coolant filter with a precharge
element filter; in this case do not mix
inhibitors with antifreeze/water solution.
Vehicles with coolant filters (Volvo D13 engine):
Fill with a 50/50-antifreeze/water solution.
Replace coolant filter as per the Lubrication
And Servicing Schedule in section 24 if
required.
Dispose of spent fluids in an environmentally
responsible manner according to regulations in
effect in your area.
COOLING SYSTEM CAPACITY
(approximation)
Includes heating system: 24 US gal (91 liters)
8.1 COOLING SYSTEM DESCALERS
If the engine overheats and the fan belt tension,
coolant level and thermostat operation have
been found to be satisfactory, it may be
necessary to de-scale and flush the entire
cooling system.
Remove scale formation by using a reputable
and safe de-scaling solvent. Immediately after
using the de-scaling solvent, neutralize with a
neutralizing agent. It is important that product
directions be thoroughly read and followed.
Summary of Contents for X3-45 Multiplex
Page 1: ...COACH MANUFACTURER MAINTENANCE MANUAL X3 COACHES PA1562 4th edition...
Page 13: ...Section 00 GENERAL INFORMATION 11 PA1562 FIGURE 16 METRIC US STANDARD CONVERSION TABLE 00005...
Page 14: ...Section 00 General Information PA1562 12 FIGURE 17 CONVERSION CHART 00006...
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Page 253: ...FAULT CODE MANUAL Created on 00 04 25 15 30 1 FAULT CODE MANUAL B7L B7TL B12...
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Page 439: ...Forward and Rear Axle Carrier Diagnostic Flowcharts TP 99125 Issued 12 99 TECHNICAL BULLETIN...
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Page 500: ...Notes Copyright 2002 Maintenance Manual MM 0204 Page 4 ArvinMeritor Inc Issued 08 02...
Page 504: ...Notes Copyright 2002 Maintenance Manual MM 0204 Page 8 ArvinMeritor Inc Issued 08 02...
Page 526: ...16 BW2158 Honeywell Commercial Vehicle Systems Company 4 2001 Printed in USA...
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Page 941: ...Initial Installation Section 2 Initial Installation Installation 14 Maintenance Tips 15...
Page 965: ...Glossary Section 5 Glossary Glossary 39...
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Page 1197: ...Compressor 62 11052 Rev A WORKSHOP MANUAL for MODEL 05G TWIN PORT COMPRESSOR R...
Page 1198: ...WORKSHOP MANUAL COMPRESSOR MODEL 05G TWIN PORT...
Page 1221: ...Compressor 62 11053 Rev B SERVICE PARTS LIST for MODEL 05G TWIN PORT COMPRESSOR 1 2 3 4 5 6 R...
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Page 1265: ...Section 23 ACCESSORIES PA1562 5 FIGURE 2 AUDIO VIDEO CONNECTIONS...
Page 1278: ...Section 23 ACCESSORIES PA1562 18 FIGURE 26 FUNCTIONING OF LAVATORY 23051...
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Page 1379: ...LPCM OUTPUT...
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