How to replace Oil Pump on Chevrolet Tracker?

Chevy 2002 Tracker oil pump removal and installation instructions:----

Removal & Installation

1.6L Engines

1. Before servicing the vehicle, refer to the Precautions section.
2. Drain the engine oil.
3. Drain the cooling system.
4. Remove or disconnect the following:
   
   NOTE

   The oil pump bolts are different lengths. Note their location for assembly.
   
   
   
   
   Negative battery cable

   Accessory drive belts

   Crankshaft pulley

   Front cover

   Timing belt. Refer to the Timing Belt unit repair section.

   Alternator and bracket

   A/C compressor and bracket, if equipped

   Oil pan and oil pump pickup tube

   Crankshaft timing sprocket

   Oil pump
   
   
   
   
   

   

   Fig. Oil pump housing short (1) and long bolt (2) locations-1.6L engines

To install:

1. Install or connect the following:
   
   
   Oil pump with a new gasket. Tighten the bolts to 97 inch lbs. (11 Nm).

   Crankshaft timing sprocket. Tighten the bolt to 94 ft. lbs. (130 Nm).

   Oil pan and oil pump pickup tube

   A/C compressor and bracket, if equipped

   Alternator and bracket

   Timing belt

   Front cover

   Crankshaft pulley. Tighten the bolts to 12 ft. lbs. (16 Nm).

   Accessory drive belts

   Negative battery cable
2. Fill the crankcase to the correct level.
3. Start the engine and check for leaks.
   
   
   

   

   Fig. Exploded view of the oil pump housing-1.6L engines

2.0L Engine

1. Before servicing the vehicle, refer to the Precautions section.
2. Drain the engine oil.
3. Remove or disconnect the following:
   
   WARNING

   Do not remove the sprocket from the oil pump. Damage to the oil pump center shaft and abnormal pump operation may result.
   
   
   
   
   Negative battery cable

   Oil pan and pickup tube

   Oil pump sprocket cover

   Oil pump

To install:

1. Install or connect the following:
   
   
   Oil pump. Tighten the bolts to 20 ft. lbs. (27 Nm).

   Oil pump sprocket cover. Tighten the bolts to 108 inch lbs. (12 Nm).

   Oil pan and pickup tube

   Negative battery cable
2. Fill the crankcase to the correct level.
3. Start the engine and check for leaks.
   
   
   

   

   Fig. Exploded view of oil pump-2.0L and 2.5L engines

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If you need, instructions regarding oil pump overhaul.Then click the link below:---
http://technoanswers.blogspot.com/2011/10/oil-pump-overhaul-on-chevrolet-tracker.html

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If you need instructions regarding,replacing oil pan for Chevy Tracker.Then click the link below:--
http://technoanswers.blogspot.com/2011/10/how-to-remove-oil-pan-on-chevrolet.html
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If you need instructions regarding,replacing oil pressure sensor for Chevy Tracker.Then click the link below:--
http://technoanswers.blogspot.com/2011/10/how-to-replace-oil-pressure-sensor-on.html
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