M0068796-00

Service Information System
Service Magazine
Media Number -M0068796-00
Page 1 of 2
Publication Date -22/02/2016
Date Updated -22/02/2016
i06599940
Coolant Pipe Leaks on Certain CT660 On Highway Trucks
{7000, 7304}
SMCS - 7000; 7304
On Highway Truck
CT660S (S/N: TGA1-UP; TGD1-UP; TJD1-UP; TEJ1-UP; TRK1-UP; TKL1-UP; TEM1UP; TEP1-UP; TGS1-UP; TJS1-UP; TGT1-UP; TSW1-UP; TEY1-UP; TSY1-UP; TEZ1UP; TGZ1-UP)
Description Of Change: The new coolant pipe with support bracket has been updated to be more robust
and improved service life.
Adaptable To: Replace with updated part number 479-1591 Kit-Heater if failure occurs. The old part
number 398-5451 Kit-Heater can still be used if the 479-1591 Kit-Heater part number is unavailable.
For either part ordered, verify the white marking on the end of heater pipe. The white marking indicates
that the pipe has been pressure tested and is of the updated welding process.
View Image
Illustration 1
g06042616
Verify the white marking on the end of heater pipe in call out 1
The effective serial numbers are listed in Table 1.
Table 1
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Service Information System
Page 2 of 2
Effective Serial Numbers
S/N:TEJ00299-UP
S/N:TEM00113-UP
S/N:TEP02005-UP
S/N:TEY00184-UP
S/N:TEZ00103-UP
S/N:TGA01569-UP
S/N:TGD00158-UP
S/N:TGS00145-UP
S/N:TGT00108-UP
S/N:TGZ00002-UP
S/N:TJD00105-UP
S/N:TJS00002-UP
S/N:TKL00600-UP
S/N:TRK01566-UP
S/N:TSW00002-UP
S/N:TSY00144-UP
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Mon Mar 7 09:54:10 CST 2016
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