Detroit Diesel 4000 Series, Service Manual, Page: 2629 / 2706

SERIES 4000 12/16V SERVICE MANUAL
Assembly Specifications
Listed in Table 45 are the assembly specification values for the Series 4000 engines used in
Construction and Industrial, Generator Set, Hydrofrac, and marine applications.
Characteristic Specification
Lash Lower Limit (mm) Upper Limit (mm)
Camshaft to crankshaft gear 0.230 0.350
Crankshaft to idler gear (right) 0.083 0.400
Crankshaft to idler gear (left) 0.083 0.400
Idler to oil pump gear 0.127 0.346
Idler to hydraulic pump gear 0.127 0.346
Idler to mount 4 gear 0.056 0.247
Idler to mount 5 gear 0.136 0.266
Idler to mount 6 gear 0.136 0.266
Idler to mount 7 gear 0.056 0.247
Idler to mount 8 gear 0.136 0.266
End Play -
Crankshaft (pre-check) 0.250 0.500
Crankshaft 0.250 0.570
Camshaft 0.080 0.178
Timing -
Camshaft timing (see note 1) 8.43 8.73
Hub Press Depth -
Front 11.3 15.5
Rear (C & I) 13.7 17.0
Rear (Marine) 16.7 20.0
Cylinder Block to Filler Strip Plane Variance -
Flywheel housing mating surface (rear plane) - 0.10 0.10
Oil pan mating surface (bottom plane) - 0.10 0.10
SRS Sensor-to-Wheel Gap Clearance -
DDEC applications 1.02 2.03
MDEC applications 0.31 1.02
Pre-Production Test Leak Verification Allowable Leakage Allowable Leakage
Allowable leak limit HTC water system N/A 250 cc
Allowable leak limit LTC water system N/A 250 cc
Allowable leak limit fuel system N/A 20 cc
All information subject to change without notice.
Copyright © DETROIT DIESEL CORPORATION
D -83