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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 76 (Automatic Transmission - 6L90 (MYD) - Specifications) >> Specifications >> Fluid Pump Selective Specifications

Fluid Pump Selective Specifications

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
Size Classification Thickness (mm) Thickness (in)
NOTE:
  • Rotor and slide must be chosen from the same size classification as the oil pump body.
  • Allowable rotor and slide to fluid pump body end play is as follows:

    Specification 

    • Slide to Fluid Pump Body End Play - 0.020 - 0.051 mm (0.0008 - 0.0020 in)
    • Rotor to Fluid Pump Body End Play - 0.020 - 0.051 mm (0.0008 - 0.0020 in)
The fluid pump assembly has selective rotor and slide components. These components are chosen based on pump body dimensions. Fluid pump rotor and slide components are available in three size classifications (1, 2, 3) with the following tolerances:
Rotor Selection
1 17.948 - 17.961 0.7066 - 0.7071
2 17.961 - 17.974 0.7071 - 0.7076
3 17.974 - 17.987 0.7076 - 0.7081
Slide Selection
1 17.948 - 17.961 0.7066 - 0.7071
2 17.961 - 17.974 0.7071 - 0.7076
3 17.974 - 17.987 0.7076 - 0.7081
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