LT1-LT4 Modifications 1993-97 Gen II Small Block V8

water pump question

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Old Feb 12, 2009 | 06:28 PM
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Default water pump question

how do you take the water pump off, hit a stump an were stuck
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Old Feb 12, 2009 | 07:18 PM
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Originally Posted by 88iroc92rs94formula
how do you take the water pump off, hit a stump an were stuck
Are you getting caught on the gear that is driven by the camshaft?
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Old Feb 12, 2009 | 07:40 PM
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Originally Posted by 88iroc92rs94formula
how do you take the water pump off, hit a stump an were stuck

5.7L ENGINE



- Unplug the electrical connector from the cooling fan.
- For 1993-95 vehicles, remove the right side cooling fan.
- For 1996-98 vehicles, remove both cooling fan assemblies.
- Place a suitable drain pan under the vehicle, then remove the block coolant drain plug and the knock sensor. Drain the radiator.
- Install the drain plug and knock sensor.
- Remove the air intake duct and air cleaner.
- Disconnect the upper and lower radiator hoses from the water pump.
- Remove the heater hoses from the water pump and throttle body.
- Unplug the electrical connector from the coolant sensor.

After disconnecting the hoses, detach the connector from the coolant sensor
Unfasten the retainers and reposition the ignition coil and bracket.
If equipped, remove the air pump and bracket.
Unfasten the water pump attaching bolts, then remove the water pump and discard the gasket. Remove the shaft coupling and water pump driveshaft seals, if necessary.

Unfasten the water pump retaining bolts ...
... then remove the water pump from the front of the engine
Thoroughly clean the gasket mating surfaces

To install:


If removed, install the shaft coupling and water pump driveshaft using J 39089 or equivalent water pump driveshaft O-ring installer.
Install the water pump with a new gasket. Tighten the bolts to 30-32 ft. lbs. (41-43 Nm).
If equipped, install the air pump and bracket.
Reposition and secure the ignition coil and bracket.
Attach the coolant sensor connector.
Connect the heater hoses to the water pump and throttle body.
Connect the upper and lower radiator hoses to the water pump.
Install the air cleaner and air inlet duct.
Install the electric cooling fan(s), then attach the electrical connector.
Refill the cooling system.
Connect the negative battery cable, then start the engine and check for leaks.
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Old Feb 12, 2009 | 07:50 PM
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Don't know if this helps, but here's a diagram:

http://shbox.com/ci/water_pump.jpg
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Old Feb 12, 2009 | 09:38 PM
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Note that there are in fact 6 bolts ... first-timers often miss the short ones.
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Old Feb 13, 2009 | 12:25 PM
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Originally Posted by James Montigny
Note that there are in fact 6 bolts ... first-timers often miss the short ones.
yes this is my first expenice with an opti rather than distub. are the shorter bolts on buttom kind of under it?
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Old Feb 13, 2009 | 12:26 PM
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Originally Posted by P8NTBALLER90
Are you getting caught on the gear that is driven by the camshaft?
not yet but how to you go about working around that?
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Old Feb 13, 2009 | 12:29 PM
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This should give you an idea of where the bolts are located (each side is identical):


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Old Feb 13, 2009 | 12:33 PM
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88iroc92rs94formula's Avatar
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ok yes that actually does i dont have the ones beside the hose inputs
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