Fuel Leaks on the Fuel Injection Pumps on 3208 Applications [TIBU4618]

FUEL SYSTEM

PUMP GP-FUEL INJECTION

Fuel Leaks on the Fuel Injection Pumps on 3208 Applications

CONFIDENTIAL TIBU4618-00

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TECHNICAL INFORMATION BULLETIN	August 30, 2005
3208 Engines	3208 (32Y1-Up) 3208 (51Z1-Up) 3208 (62W1-Up) 3208 (75V1-Up) 3208 (90N1-Up) 3208 (93Z1-Up) 3208 (01Z1-Up) 3208 (02Z1-Up) 3208 (03Z1-Up) 3208 (5CD1-Up) 3208 (3289-1379)
	Component Code(s) 1251

SUBJECT: Fuel Leaks on the Fuel Injection Pumps on 3208 Applications

PROBLEM:

The main problems that are described in warranty claims are fuel leakage and poor engine performance. Many of the fuel leaks and performance complaints are diagnosed as problems in the area of the fuel transfer pump that is contained in the Pump Gp. The 0R-2371 fuel pump shaft (cam) has unacceptable wear area under both lip seals after the reman process.

The following pump groups are the governor and fuel injection pump groups that are used in various 3208 applications.

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0R-0902	0R-2377	0R-2383	0R-2879
0R-0903	0R-2378	0R-2384	0R-3184
0R-2373	0R-2379	0R-2385	0R-3688
0R-2374	0R-2380	0R-2386	0R-3731
0R-2375	0R-2381	0R-2877	0R-4926
0R-2376	0R-2382	0R-2878	10R-0912

The serial number plate (1) is located on the pump.

SOLUTION:

All 0R-2371 camshafts will be sent out to be refurbished back to the original size. No dealer action other than to replace with like parts is needed at this time. Parts are effective with the following pump sequence numbers:

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	Part #	Sequence #
1	0R0766	4657
2	0R0902	12444
3	0R0903	156
4	0R2373	1150-3179
		1152-09327
5	0R2374	792
6	0R2375	1154- 2747
7	0R2376	1155-2175
8	0R2377	3814-0002
		0776-0884
9	0R2378	0975-1014
		0976-0964
		2818-2927
		2819-15964
		3231-04767
10	0R2379	1092-2090
		1093-0636
		1095-0847
11	0R2380	1094-0540
12	0R2381	1098-1430
13	0R2382	1099-1863
14	0R2383	1777-2324
15	0R2384	3695
16	0R2385	8257
17	0R2386	1582
18	0R2877	1050
19	0R2878	1151-0989
20	0R2879	2875-3872
21	0R3184	3289-1379
22	0R3688	3687-2259
23	0R3731	342
24	0R4926	1494
25	10R0912	0195
26	0R0907	381
27	0R0908	3444
28	0R0909	389
29	0R2552	182
30	0R2553	658