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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 3 (Engine Mechanical - 4.3L (LV1)) >> Repair Instructions - Off Vehicle >> Oil Pump Removal

Oil Pump Removal

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.
GM3351581Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
If oil pump is being removed to perform a different repair and is going to be reused, then EN-51267  oil pump alignment tool MUST be installed on the engine block before the oil pump is removed and left in place until the oil pump is reinstalled. Failure to do so before the oil pump is removed will result in the original oil pump having to be replaced with a new oil pump.
1 Oil Pump Bolt
NOTE:

If the Oil Pump is going to be reused, then prior to removing oil Pump Bolts, install the oil pump alignment tool. If the oil pump is going to be replaced, then just remove the bolts and proceed to step 2.

Procedure

  1. Hand Tighten the supplied bolts in the positions shown.
  2. Hold the alignment tools tight to the oil pump housing and then torque the alignment tool bolts to 10 N.m (86 lb in).

Special Tools 
EN-51267  Oil Pump Alignment Tool
For equivalent regional tools, refer to Special Tools .
2 Oil Pump Assembly
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