6V2508 FRONT STRUCTURE Caterpillar parts
D250E II, D6C, D6D
Rating:
Alternative (cross code) number:
CA6V2508
6V-2508
6V2508
CA6V2508
6V-2508
6V2508
Weight: 0.15 pounds 0 kg.
ARTICULATED TRUCK, TRACK-TYPE TRACTOR,
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Compatible equipment models: 6V2508:
Information:
Use this procedure in order to troubleshoot low coolant temperature.Probable Causes
Driver perceived problem
The connection for the shunt line is incorrect.
Kinked coolant hose or collapsed coolant hose
The cooling fan is always on.
Faulty water temperature regulator
A problem with the fuel heater (if equipped)
A problem with the auxiliary coolant heater (if equipped)
A problem with the vehicle's heating systemRecommended Actions
Driver Perceived Problem
The driver expects the engine to be running at a higher temperature for the operating conditions. The following variables will affect the engine temperature:
Ambient temperature
Load factor
Engine speed
Heater cores for the truck cab
Fuel heaters
Transmission coolersGraphs will be used in order to define expected operating temperatures.The graphs that follow are for the C15 engine. Temperatures for the C13 engine will follow these trends. The temperatures for the C13 will be slightly lower.The graphs represent the following specific conditions:
The fuel heaters are shut off.
A typical transmission cooler is used.
No coolant is supplied to the Auxiliary Power Unit (APU).
Illustration 1 g02076555
The heater core is considered on when the temperature and the fan speed are at the maximum. (1) The heater core for the Cab is off. The heater core for the sleeper cab is off. (2) The heater core for the Cab is on. The heater core for the sleeper cab is off. (3) The heater core for the Cab is on. The heater core for the sleeper cab is on.
Illustration 2 g02076554
The heater core is considered on when the temperature and the fan speed are at the maximum. (1) The heater core for the Cab is off. The heater core for the sleeper cab is off. (2) The heater core for the Cab is on. The heater core for the sleeper cab is off. (3) The heater core for the Cab is on. The heater core for the sleeper cab is on.
Illustration 3 g02076553
The heater core is considered on when the temperature and the fan speed are at the maximum. (1) The heater core for the Cab is off. The heater core for the sleeper cab is off. (2) The heater core for the Cab is on. The heater core for the sleeper cab is off. (3) The heater core for the Cab is on. The heater core for the sleeper cab is on. The Connection for the Shunt Line is Incorrect.
Ensure that the shunt line is connected to the water inlet elbow.Coolant Hoses
Inspect the coolant hoses. Look for kinked hoses and for hoses that are collapsed. Make the necessary repairs.Cooling Fan
A cooling fan that is operating incorrectly can cause overcooling. Refer to Troubleshooting, "Cooling Fan Is Always ON", if necessary.Water Temperature Regulator
A regulator that is stuck open can cause overcooling. Test the water temperature regulator according to Testing and Adjusting, "Water Temperature Regulator - Test".Fuel Heater
Some fuel heaters use coolant to warm the fuel supply. A malfunctioning fuel heater can lower the temperature of the coolant.Determine if
Driver perceived problem
The connection for the shunt line is incorrect.
Kinked coolant hose or collapsed coolant hose
The cooling fan is always on.
Faulty water temperature regulator
A problem with the fuel heater (if equipped)
A problem with the auxiliary coolant heater (if equipped)
A problem with the vehicle's heating systemRecommended Actions
Driver Perceived Problem
The driver expects the engine to be running at a higher temperature for the operating conditions. The following variables will affect the engine temperature:
Ambient temperature
Load factor
Engine speed
Heater cores for the truck cab
Fuel heaters
Transmission coolersGraphs will be used in order to define expected operating temperatures.The graphs that follow are for the C15 engine. Temperatures for the C13 engine will follow these trends. The temperatures for the C13 will be slightly lower.The graphs represent the following specific conditions:
The fuel heaters are shut off.
A typical transmission cooler is used.
No coolant is supplied to the Auxiliary Power Unit (APU).
Illustration 1 g02076555
The heater core is considered on when the temperature and the fan speed are at the maximum. (1) The heater core for the Cab is off. The heater core for the sleeper cab is off. (2) The heater core for the Cab is on. The heater core for the sleeper cab is off. (3) The heater core for the Cab is on. The heater core for the sleeper cab is on.
Illustration 2 g02076554
The heater core is considered on when the temperature and the fan speed are at the maximum. (1) The heater core for the Cab is off. The heater core for the sleeper cab is off. (2) The heater core for the Cab is on. The heater core for the sleeper cab is off. (3) The heater core for the Cab is on. The heater core for the sleeper cab is on.
Illustration 3 g02076553
The heater core is considered on when the temperature and the fan speed are at the maximum. (1) The heater core for the Cab is off. The heater core for the sleeper cab is off. (2) The heater core for the Cab is on. The heater core for the sleeper cab is off. (3) The heater core for the Cab is on. The heater core for the sleeper cab is on. The Connection for the Shunt Line is Incorrect.
Ensure that the shunt line is connected to the water inlet elbow.Coolant Hoses
Inspect the coolant hoses. Look for kinked hoses and for hoses that are collapsed. Make the necessary repairs.Cooling Fan
A cooling fan that is operating incorrectly can cause overcooling. Refer to Troubleshooting, "Cooling Fan Is Always ON", if necessary.Water Temperature Regulator
A regulator that is stuck open can cause overcooling. Test the water temperature regulator according to Testing and Adjusting, "Water Temperature Regulator - Test".Fuel Heater
Some fuel heaters use coolant to warm the fuel supply. A malfunctioning fuel heater can lower the temperature of the coolant.Determine if
Caterpillar parts catalog:
Parts front Caterpillar catalog:
2P7782
FRONT GEAR GROUP
950, D6C
950, D6C
2P6153
FRONT HOUSING
3304, 3306, 920, 930, 941, 950, 951B, 955K, 966C, D4D, D5, D6C
3304, 3306, 920, 930, 941, 950, 951B, 955K, 966C, D4D, D5, D6C
2P6211
FRONT GEAR GROUP
3304, 3306, 920, 930, 941, 950, 951B, 955K, 966C, D4D, D5, D6C
3304, 3306, 920, 930, 941, 950, 951B, 955K, 966C, D4D, D5, D6C
5P9416
FRONT STRUCTURE
120G, 130G, 3306B, 518, 920, 930, 941, 950, 951B, 955L, D4E
120G, 130G, 3306B, 518, 920, 930, 941, 950, 951B, 955L, D4E
6V2466
FRONT STRUCTURE
219D, 3304, 936, 950, 951B, 955L, D4D, D4E
219D, 3304, 936, 950, 951B, 955L, D4D, D4E
1V3740
FRONT SUPPORT ASSEMBLY R.H.
955K, 955L
955K, 955L
8T6731
FRONT STRUCTURE
931B, 931C, 931C II, 935B, 935C, 935C II, D3B, D3C, D3C II, D4B, D4C, D4C II, D5C, G910, IT12
931B, 931C, 931C II, 935B, 935C, 935C II, D3B, D3C, D3C II, D4B, D4C, D4C II, D5C, G910, IT12
6V6445
FRONT STRUCTURE
910, 931B, D3B
910, 931B, D3B
5P9946
FRONT STRUCTURE
910, 931, 931B, 943, D3, D3B
910, 931, 931B, 943, D3, D3B
5P8954
FRONT STRUCTURE
594H, D9H
594H, D9H
9P2034
FRONT CAB PLATE
D4E, D5B, D6D
D4E, D5B, D6D
9P2033
FRONT CAB PLATE
D4E, D5B, D6D
D4E, D5B, D6D