Genuine Chevrolet Cobalt Water Pump

Chevrolet Cobalt Water Pump Parts Questions & Experts Answers

• Water Pump Assembly
  12630084
  Q: How do I remove the water pump on Chevrolet Cobalt,HHR,Saturn ION and Pontiac G5?

  A: To get rid of water pump, you must first disconnect the cable from the negative battery terminal. Thereafter, remove the air intake duct and air filter housing. Loosen lug nuts on right front wheel , jack up vehicle , and support it securely with jack stands underneath. Take off wheel, then drain cooling system. If equipped with automatic transaxle, remove exhaust manifold . Move plug that drains coolant from bottom of water pump housing. Next, also open up your thermostat housing as well as its transfer pipe plus hoses connected to them if any are there in place. Remove the heater for the coolant together with one mounting bolt if installed . Depending on model and engine, exhaust heat shield may have to be removed along with PCV system vent tube/hose or catalytic converter. Disconnect any electrical connectors or harnesses that impede access to item being serviced Undo fasteners holding underhood fuse/relay box bracket where present . Use a hammer to tap out the water pump lightly if it becomes lodged in place Clean threads of bolts, tapped holes and sealing surfaces , removing all corrosion or old gasket material Eventually take out sealing ring from your water pump To install new water pump: put new sealing ring into it; align guide pin with sprocket at water pump sprocket hole; install water pump mounting bolts and sprocket bolts tightening them to proper torque specs; secure installation of water pump access cover, thermostat housing & pipe using appropriate torque specifications for their bolts Remaining steps are just reverse of those above Don't forget-refill cooling system & reconnect battery Finally start engine (notice a leak).