0387791 SHOCK ABSORBER JOHNSON
70EL78C, 70EL79R, 75ELR78C, 75ELR79R, BJ50DTLEDC, BJ50DTLEUR, BJ60ELEDR, BJ60ELEUA, BJ60TLECM, BJ70ELECB, BJ70ELEDA, BJ70ELEUM, J50DTLECA, J50DTLEOS, J60ELCCR, J60ELCDS, J60ELCEA, J60ELCUC, J60ELEIB, J60ELENE, J60ELEOC, J60ELERS, J60ELESM, J60ELETD,
SHOCK
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Compatible models:
70EL78C
70EL79R
75ELR78C
75ELR79R
BJ50DTLEDC
BJ50DTLEUR
BJ60ELEDR
BJ60ELEUA
BJ60TLECM
BJ70ELECB
BJ70ELEDA
BJ70ELEUM
J50DTLECA
J50DTLEOS
J60ELCCR
J60ELCDS
J60ELCEA
J60ELCUC
J60ELEIB
J60ELENE
J60ELEOC
J60ELERS
J60ELESM
J60ELETD
J65RSLC
J65RSLM
J65RSLZ2
J65RWLCDR
J65RWLCOC
J65RWLCRS
J65WELEES
J65WELSIR
J65WELSSC
J65WMLCDR
J65WMLCOC
J65WMLCUA
J65WMLEIB
J65WMLENE
J65WMLEOC
J65WMLERS
J65WMLESM
J65WMLETD
J65WMLZ
J65WRLEEO
J65WRLSIR
J65WRLSSC
J70ELCCA
J70ELCDC
J70ELCEM
J70ELCIH
J70ELCNB
J70ELCOS
J70ELCRD
J70ELCSA
J70ELCTE
J70ELCUR
J70ELEIE
J70ELEND
J70ELEOR
J70ELERC
J70ELESB
J70ELETS
J75ECDC
J75ECNB
J75ECOS
J75ECRD
J75ECTE
J75ECUR
J75ERCIH
J75ERCSA
N65WMLM
SJ65RSLD
SJ65WMLD
SJ65WMLM
SJ65WMLZ2
JOHNSON
BRP JOHNSON entire parts catalog list:
- EXHAUST HOUSING-20 INCH TRANSOM » 0387791
75ELR78C, 75ER78C 1978
75ELR79R, 75ER79R 1979
BJ50DTLEDC, J50DTLEDC, J50ELED 1996
BJ50DTLEUR, J50DTLEUR, J50ELEUR 1997
BJ60ELEDR, BJ60TLEDR, J60ELEDR, J60TLEDR, SJ60TLEDR 1996
BJ60ELEUA, BJ60TLEUA, J60ELEUA, J60TLEUA 1997
BJ60TLECM, J60TLECM 1998
BJ70ELECB, BJ70TLECB, J70TLECB 1998
BJ70ELEDA, BJ70TLEDA, HJ70TXEDA, J70TLEDA, SJ70TLEDA 1996
BJ70ELEUM, BJ70TLEUM, HJ70TXEUM, J70TLEUM 1997
J50DTLECA 1998
J50DTLEOS, J50ELEOS 1995
J60ELCCR, J60TLCCR, J60TTLCCR 1988
J60ELCDS, J60TLCDS 1986
J60ELCEA, J60TLCEA, J60TTLCEA, TJ60TLCEA, TJ60TLESF 1989
J60ELCUC, J60TLCUC 1987
J60ELEIB, J60TLEIB, TJ60TLEIB, VJ60ELEIB, VJ60TLEIB 1991
J60ELENE, J60TLENE, TJ60TLENE, VJ60ELENE, VJ60TLENE 1992
J60ELEOC, J60TLEOC 1995
J60ELERS, J60ELERV, J60TLERS, J60TLERV 1994
J60ELESM, J60TLESM, J60TTLESM, TJ60TLESF, TJ60TLESM, VJ60ELESM, VJ60TLESM 1990
J60ELETD, J60TLETD, TJ60TLETD, VJ60ELETD 1993
J65RSLC 1995
J65RSLM, SJ65RSLM, SJ65RSYM 1996
J65RSLZ2, SJ65RSLZ2, SJ65RSYZ2 1997
J65RWLCDR, J65TELCDR 1986
J65RWLCOC, J65TELCOC 1985
J65RWLCRS, J65TELCRS, J65WTLCRS 1984
J65WELEES 1999
J65WELSIR 2001
J65WELSSC 2000
J65WMLCDR 1986
J65WMLCOC, J65WTLCOC 1985
J65WMLCUA 1987
J65WMLEIB 1991
J65WMLENE 1992
J65WMLEOC 1995
J65WMLERS 1994
J65WMLESM 1990
J65WMLETD 1993
J65WMLZ 1989
J65WRLEEO, J65WRLEES, J65WRYEEO, J65WRYEES 1999
J65WRLSIR, J65WRYSIR 2001
J65WRLSSC, J65WRYSSC 2000
J70ELCCA, J70TLCCA 1988
J70ELCDC, J70TLCDC 1986
J70ELCEM, J70TLCEM, TJ70TLCEM, TJ70TLESF 1989
J70ELCIH, J70ELCIM, J70TLCIM 1981
J70ELCNB, J70TLCNB 1982
J70ELCOS, J70TLCOS 1985
J70ELCRD, J70TLCRD 1984
J70ELCSA 1980
J70ELCTE, J70TLCTE 1983
J70ELCUR, J70TLCUR 1987
J70ELEIE, J70TLEIE, VJ70ELEIE, VJ70TLEIE 1991
J70ELEND, J70TLEND, VJ70ELEND, VJ70TLEND 1992
J70ELEOR, J70JLEOS, J70TLEOR 1995
J70ELERC, J70ELERV, J70TLERC, J70TLERV 1994
J70ELESB, J70TLESB, TJ70TLESB, TJ70TLESF, VJ70ELESB, VJ70TLESB 1990
J70ELETS, J70TLETS, VJ70ELETS, VJ70TLETS 1993
J75ECDC 1986
J75ECNB, J75ELCNB, J75TLCNB 1982
J75ECOS 1985
J75ECRD, J75ELCRD, J75TLCRD 1984
J75ECTE, J75ELCTE, J75TLCTE 1983
J75ECUR 1987
J75ERCIH, J75ERCIM, J75ERLCIH, J75ERLCIM, J75TELCIM, J75TRLCIH 1981
J75ERCSA, J75ERLCSA, J75TRLCSA 1980
N65WMLM 1988
SJ65RSLD, SJ65RSYD 1998
SJ65WMLD, SJ65WMYD 1998
SJ65WMLM, SJ65WMYM 1996
SJ65WMLZ2, SJ65WMYZ2 1997
Information:
Table 1
J1939 Code and Description CDL Code and Description Comments
N/A E563 (3)
Low Engine Coolant Flow The Electronic Control Module (ECM) detects that the coolant flow through the engine is lower than expected.
N/A 1937-2
Engine Coolant Flow Switch : Erratic, Intermittent, or Incorrect The ECM detects that the coolant flow through the engine is different than expected.
109-1
Engine Coolant Pressure : Low - most severe (3) E2112 (3)
Low Engine Coolant Pressure The engine coolant pressure is lower than expected for an extended period.
The code is logged.
109-17
Engine Coolant Pressure : Low - least severe (1) E2112 (1)
Low Engine Coolant Pressure The engine coolant pressure is lower than expected for an extended period.
The code is logged.
109-18
Engine Coolant Pressure : Low - moderate severity (2) E2112 (2)
Low Engine Coolant Pressure The engine coolant pressure is lower than expected for an extended period.
The code is logged. Probable Causes
Codes
Coolant level
Leaks
Expansion tank (if equipped)
Sensor
Flow switch
Water pump
Radiator
Oil coolerRecommended Actions
Table 2
Troubleshooting Test Steps Values Results
1. Check for Codes
A. Connect Cat® Electronic Technician (ET) to the service tool connector.
B. Look for active codes that are associated with the system for the event code.
Codes
Result: An associated code is active.
Repair: Troubleshoot any associated codes before continuing with this test.
Result: A code is active or logged.
Proceed to Test Step 2.
2. Check the Coolant Level
Note: If the coolant level is too low, air will get into the cooling system. Air in the cooling system will cause a reduction in coolant flow and pressure.
A. Check the cooling system for coolant leaks.
Coolant Level
Result: The coolant level is OK.
Proceed to Test Step 3.
Result: The coolant level is NOT OK.
Repair: Determine the cause of the low coolant level. Refer to Troubleshooting, "Coolant Level Is Low" for additional information.
If the problem is not resolved, proceed to Test Step 3.
3. Check the Cooling System Hose Routing
A. Check the cooling system clamps and hoses to make sure that the clamps and hoses are installed in the proper location and the clamps are tight.
B. Ensure that there are no kinks or tight bends that may cause excessive restriction.
C. Check to make sure that the hoses are routed correctly.
Leaks or Kinks
Result: The coolant clamps and hoses are installed properly.
Proceed to Test Step 4.
Result: The coolant clamps and hoses are not installed properly.
Repair: Repair or replace the damaged cooling system component.
If the problem is not resolved, proceed to Test Step 4.
4. Check the Expansion Tank
A. Check the shunt line for a restriction. A restriction of the shunt line from the expansion tank to the inlet of the jacket water pump will cause a reduction of water pump efficiency.
B. Inspect the expansion tank for a restriction that blocks the port to the shunt line.
Note: The expansion tank may be integrated into the design of the radiator top tank and may not be separate.
Shunt Line
Result: The shunt line is properly installed and there are no restrictions.
For a E2112 or 109 code, proceed to Test Step 5.
For a E563 or 1937 code, proceed to Test Step 6.
Result: The shunt line is not properly installed or there are restrictions.
Repair: Install the shunt line correctly or replace the line if necessary. Remove any restrictions that are found.
If the problem is not resolved, proceed to Test Step 5.
5. Check the Coolant Pressure Sensor
A. Install a mechanical pressure gauge in the coolant jacket near the coolant pressure sensor.
B. Start the engine.
C. Connect Cat® Electronic Technician (ET) to the service tool connector.
D. Allow the engine to run and record the coolant pressure on the mechanical gauge.
E. Check the coolant pressure reading at various engine speeds.
Sensor
Result: The pressure difference between the mechanical gauge and the reading in Cat ET is less than 14 kPa (2 psi).
Proceed to Test Step 7.
Result: The pressure difference between the mechanical gauge and the reading in Cat ET is greater than 14 kPa (2 psi).
Repair: Replace the coolant pressure sensor.
If the problem is not resolved, proceed to Test Step 7.
6. Check the Coolant Flow Switch
A. Remove the coolant flow switch from the engine.
B. Turn the keyswitch to the ON position.
C. Connect Cat ET.
D. Rotate the paddle on the end of the coolant flow switch.
E. Use Cat ET to monitor the following switch:
- Coolant flow switch
Flow Switch
Result: The coolant flow switch status changed in Cat ET when the paddle was rotated.
Proceed to Test Step 7.
Result: The coolant flow switch status did not change in Cat ET when the paddle was rotated.
Repair: A failed coolant flow switch has been detected. Replace the coolant flow switch.
If the problem is not resolved, proceed to Test Step 7.
7. Inspect the Water Pump
A. Inspect the impeller of the water pump for damage or erosion.
B. Ensure that the drive gear is not loose on the drive shaft of the water pump.
Water Pump
Result: The water pump is OK.
Proceed to Test Step 8.
Result: There was a problem with the water pump.
Repair: Repair or replace damaged water pump components.
If the problem is not resolved, proceed to Test Step 8.
8. Check the Radiator for Problems
A. Check the cooling fins on the radiator for dirt and for debris.
B. Check for sufficient flow and temperature of the cooling water through the radiator.
C. Ensure that the size of the radiator is sufficient.
Radiator
Result: The radiator is OK.
Proceed to Test Step 9.
Result: A problem with the radiator has been discovered.
Repair: If the temperature of the cooling water is too high, determine the cause. Clean the components or replace the radiator.
If the problem is not resolved, proceed to Test Step 9.
9. Check the Oil Cooler for a Restriction
A. Check the inlet side of the oil cooler for debris or blockage.
Restrictions
Result: There was debris or restrictions in the oil cooler.
Repair: Clean or replace the oil cooler.
Verify that the repair eliminated the problem.
If the procedure did not correct the issue, contact your Cat dealer Technical Communicator (TC). For further assistance, your TC can confer with the Dealer Solutions Network (DSN).