I am looking for a step by step How - to for removing my water pump and replacing it with a new one
How to
Replace the Water Pump in a Pontiac Grand Am
The water
pump is the heart of the Pontiac grand
am's cooling system, circulating the coolant. A faulty water pump can
cause some serious damage to the engine of your Pontiac Grand Am. To prolong
the life of your vehicle's engine, make sure to change out a bad water pump.
2.2L Grand
Am Engine
Disconnect the negative battery cables before you begin.Place a
drain pan underneath the radiator. When the engine is cool, drain the cooling
system from the radiator into the pan.Elevate the vehicle and remove the right
front wheel, the splash shield, the water pump sprocket access plate and remove
the exhaust manifold if your vehicle has an n automatic trans-axle.Use the
water pump sprocket holding tool (Tool Part Number J 43651) and attach it to
the sprocket with access plate bolts, securing the tool to the front cover of
the engine.Remove the following bolts to remove the water pump: the three bolts
attaching the pump to the engine block, the bolt to the engine front cover, the
bolts to the sprocket and the bolt attaching the thermostat housing to the
pump.Remove the old pump and install the new one, aligning the water pump
sprocket to the hub with a threaded stud.Reinsert the engine cover bolt to the
block to the pump, tightening the bolt to 15 foot pounds (20 Nm). Tighten two
of the water pump sprocket bolts to the water pump by hand.Take out the
threaded stud that was used to align the water pump sprocket to the hub and
attach the last bolt to the sprocket to the pump, tightening all three to 89
foot pounds (10 Nm).Remove the water pump sprocket holding tool and attach the
timing cover to the water pump sprocket access plate, tightening the bolts to
89 foot pounds (10 Nm).Reattach the splash shield, the right front wheel and
the exhaust manifold if applicable.Refill the engine's cooling system with
coolant and reconnect the negative battery cable. Start the car and check for
leaks when the engine reaches normal operating temperature.
2.4L Grand
Am Engine
Disconnect the negative battery cable and drain out the coolant from
the cooling system when the engine is cool.Disconnect the electrical connector
to the oxygen sensor and remove the exhaust manifold heat shield.Remove the
following bolts and studs: the coolant inlet housing bolt connecting the
exhaust manifold, the bolt to the exhaust manifold to the brace, the studs to
the manifold to exhaust pipe and the bolt to the coolant inlet housing to water
pump.Disconnect the following parts from each other: the exhaust manifold from
the exhaust pipe by pulling the pipe downward, the oil pan from the coolant
inlet pipe, the camshaft housing from the brake vacuum pipe, the cylinder head
from the exhaust manifold, the heater outlet pipe from the heater hose and the
timing chain cover from the tensioner.Loosen and remove the water pump bolts to
the engine and the bolts from the pump to the timing chain. Remove the water
pump with the cover assembly and remove the cover from the pump.Install the new
pump with new gaskets. Replace the cover and tighten the bolts by hand. Attach
the pump to the engine and tighten these bolts by hand.Attach the pump to the
timing chain housing nuts and the coolant inlet pipe to the cover. Also tighten
these by hand.Torque all bolts to the following specifications after all bolts
have been inserted and hand tightened: the chain housing nuts to the pump
assembly to 19 foot pounds (26 Nm), the water pump assembly to the cover to 124
foot pounds (14 Nm), and the water pump cover to the coolant inlet pipe
assembly to 124 foot pounds (14 Nm).Reattach the cylinder head and the exhaust
manifold, tightening the nuts to 11 foot pounds (15 Nm), the coolant inlet pipe
to the oil pan, tightening the nuts to 19 foot pounds (25 Nm), and reattach the
timing chain tensioner, tightening the bolts to 89 foot pounds (10 Nm).Reconnect
the camshaft housing and the brake vacuum pipe and reattach the front cover,
tightening the bolts to 106 foot pounds (12 Nm).Reattach the exhaust pipe and
the manifold, tightening the bolts to 26 foot pounds (35 Nm), the exhaust
manifold to the brace, tightening the bolts to 41 foot pounds (56 Nm) and the
nuts to 19 foot pounds (26 Nm), the manifold to the exhaust pipe, tightening
the nuts to 26 foot pounds (35 Nm), the heater pipe to the heater hose and
reattach the exhaust manifold heat shield, tightening the bolts to 124 inch
pounds (14 Nm).Reconnect the electrical connector to the oxygen sensor and the
negative battery cable. Refill the engine's cooling system with coolant and
start the car. Check for leaks when the engine reaches normal operating
temperature.
3.1L and
3.4L Grand Am Engines
Disconnect the negative battery cable and drain out the coolant
from the cooling system when the engine is cool.Remove the accessory drive belt
and the water pump pulley.Loosen and remove the water pump bolts and remove the
pump from the engine.Install the new water pump, tightening the bolts to 89
inch pounds (10 Nm).Reattach the water pump pulley, tightening the bolts to 18
foot pounds (25 Nm).Reinstall the accessory drive belt and reconnect the
negative battery cableRefill the engine's cooling system with coolant. Start
the car and check for leaks when the engine reaches normal operating
temperature.
i'm replacing the exhaust manifold. the new exhaust manifold doesn't have the hole for the pipe (which goes from the inlet to the outlet) so don't know what to do! thanks
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