GM Cadillac Deville_Fleetwood_ELD_Seville
1990-1998
Water Pump
CAUTION
Never open, service, or drain the radiator or cooling system when
hot; serious burns can occur from the steam and hot coolant. In
addition, when draining engine coolant, keep in mind that cats and dogs
are attracted to ethylene glycol antifreeze and could drink any that is
left in an uncovered container or in puddles on the ground. This will
prove fatal in sufficient quantities. Always drain coolant into a
sealable container. Coolant should be reused unless it is contaminated
or is several years old.
REMOVAL & INSTALLATION
3.0L
Engine
Two electric engine coolant pumps are used in
conjunction with the belt driven mechanical pump. The electric pump
mounted on the passenger side strut tower, assists the flow of warm
coolant to the heater core at idle when ambient temperature is low. This
pump runs at all times with the engine on. A failure with this pump
would result in poor heating performance especially at idle. The second
electric pump is mounted on the driver's side of the radiator, which
provides additional flow of coolant through the radiator. This pump is
energized when coolant temperatures reach 194° F (90° C).
The
mechanical engine water pump, driven by the serpentine drive belt,
provides a constant flow of coolant through the engine at all times
while the engine is running.
Fig. 3.0L Engine cooling system components
Mechanical engine pump
Fig. Water pump mounting-3.0L
To install:
Primary electric pump
To install:
secondary electric pump
Fig. Secondary auxiliary coolant pump mounting
To install:
Hope helped (remember rated and comment this post).
First of all,you will need the Northstar waterpump removal tool, You can get this from most reputable auto part stores.
You need to remove the air filter housing and ducting to gain easy access to the pump.
Remove the shield covering the pulley and belt. The belt is easily removed by levering the tensioner pulley.
The water pump is located at the lower radiator hose manifold where you will also find the thermostat.Remove the manifold cover and you will see the water pump.
Insert the removal tool over the pump making sure it is locked in position.You will need to use a breaker bar on the removal tool and turn the tool CLOCKWISE to release the pump (1/4 turn), or if you imagine the breaker bar being vertical, push towards the windscreen of your car,it takes quite a bit of force to unseat the pump hence the use of a breaker bar.
Installing the new pump does not require as much torque as removing the old one.
Tighten the new pump to 73 ft.lbs. making sure it is seated properly before tightening.
Don't forget to clean out the water pump housing prior to installing the new pump and don't forget to include a new water pump gasket and housing cover gasket.
It is also a good idea to install a new thermostat while you're at it.
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