Section 11.11 Low Cylinder Compression

Section 11.11
Low Cylinder Compression

To determine if low compression is causing excessive white smoke condition, perform the following steps:‪

  1. Perform a cylinder compression test; refer to "2.2 Compression Pressure Test" .
  2. Compare cylinder compression test results to specifications as listed in Table "Compression Testing Specifications" .

    Description‪

    Pressure in kPa (psi)‪

    Compression Pressure at Starter Speed‪

    2800 (406)‪

    Permissible Difference between Individual Cylinders‪

    400 (58)‪

    Table 1. Compression Testing Specifications
    1. If cylinder compression pressure is below specifications, refer to .
    2. If cylinder compression pressure is within specifications, call Detroit Diesel Customer Support Center at 313-592-5800.


EPA07 MBE 4000 DDEC VI Troubleshooting Guide - 6SE568
Generated on 10-13-2008

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