Inspect and replace Oil pump for Equinox and Torrent?

Chevrolet Equinox and Pontiac Torrent oil pump removal.
In this chapter the procedure is mentioned to replace oil pump.
The details to replace oil pump is as follows:----

Inspection

1. Clean all parts of sludge, oil, and varnish by soaking in cleaning solvent.
2. Inspect for foreign material and determine the source of the foreign material.
3. Inspect the pump housing and cover for cracks or casting imperfections, scoring or damaged threads.
4. Do not attempt to repair the pump housing. Replace the pump housing.
5. Inspect the oil pump gears for scoring or excessive wear.
6. Inspect the idler shaft for looseness or scoring. If loose or damaged, replace the oil pump.
7. Inspect the drive gear shaft for looseness, scoring and rounding of the corners.
8. Inspect the pressure regulator valve for scoring. Sticking Burrs may be removed using a fine oil stone.
9. Inspect the pressure regulator valve spring for bending or loss of tension.

Removal & Installation

1. Remove the oil pan.
2. Remove the oil pump bolt.
3. Remove the oil pump and oil pump drive shaft. 
   
   
   
   Fig. Remove the oil pump mounting bolt to remove the oil pump from the engine.

To install:

1. Install the oil pump.
2. Position the oil pump onto the pins.
3. Install the oil pump bolt attaching the oil pump to the rear crankshaft bearing cap. Tighten the oil pump bolt to 41 Nm (30 ft. lbs.).

These details will help.

Thanks.           

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Car repair guide?

http://technoanswers.blogspot.in/2012/03/car-repair-guide.html