09012-10091 NIPPLE Denso Cross

06Mar2020
U-125
O-111
After Failure Only
PRODUCT SUPPORT PROGRAM FOR REPLACING AN INJECTOR HARNESS CONNECTOR ON CERTAIN C175-16 AND C175-20 GENERATOR SETS
1408 PS54286
Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.
This Program can only be administered after a failure occurs.The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS54286" as the Part Numberand "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.
The information supplied in this service letter may not be valid after the termination date of this program.Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.
TERMINATION DATE
31Dec2023
PROBLEM
On certain C175-16 and C175-20 Generator Sets the 276-1242 4 pin connector that connects the engine harness to the individual cylinder injector harnesses may not be fully latched do to a damaged connector locking tab.
AFFECTED PRODUCT
Model Identification Number
C175-16 WYB00649-00652, 656, 664-665, 1231-1232, 1237, 1241, 1243, 1249, 1253-1254, 1413, 1417, 1424, 1426, 1431, 1434, 1436, 1438, 1476, 1478-1484, 1508, 1564, 1566, 1569-1570, 1573-1574, 1578, 1610, 1612, 1614, 1622, 1625, 1627, 1630, 1825-1826, 1840-1841, 1846-1853, 1857-1860, 1862-1863, 1869-1871, 1873, 1876-1878, 1885, 1888-1891, 1895, 1899, 1904-1909, 1911, 1914-1920, 1925-1927, 1929, 1931-1932, 1936-1940, 1954, 1956, 1958, 2075, 2084, 2087-2088, 2091-2092, 2095-2096, 2098, 2100-2105, 2108-2109, 2112-2113, 2115-2116, 2118, 2127-2129, 2136-2142, 2179, 2182-2185, 2189, 2192-2193, 2195-2196, 2198, 2200, 2203, 2206-2209, 2214, 2227, 2229, 2232-2233, 2244, 2246, 2248-2257, 2332, 2337, 2342, 2352-2353, 2355-2356, 2359, 2362-2364, 2370-2371, 2416, 2437, 2470, 2475, 2479, 2481, 2493, 2500
C175-20 BXR01781, 1798-1807, 1809, 1826, 1828, 1944-1950, 1953-1956, 1959-1960, 1962, 2013-2014, 2026-2027, 2029, 2036, 2042-2046, 2048-2050, 2055-2058
PARTS NEEDED
Qty
Part Number Description
1 4C6389 TUBING-HEAT SHRI
1 1134630 RECEPTACLE AS
1 2300940 SEAL-PIP
1 2761242 KIT-PLUG CONN
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 1% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.
ACTION REQUIRED
1. Inspect 276-1242 4 pin engine harness connector and check the connector locking tab for proper engagement with injector harness receptacle. Image 1 is a damaged locking tab. Image 2 is a good locking tab. If locking tab is found to be damage proceed with replacement.
2. Disconnect the 276-1242 4 pin engine harness connector from the 113-4630 injector harness receptacle at the cylinder head.
3. Remove and replace 276-1242 4 pin connector with new. Insure to reinstall 4C-6389 heat shrink on the connector.
4. Inspect the inside of 113-4630 injector harness receptacle mounted on cylinder head for debris, damage, or paint. If debris, damage, or paint is present, remove and replace 113-4630 injector harness receptacle with new.
Note: Always use a new valve cover gasket if removal of valve cover is required.
5. Reconnect new 276-12