Lower
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Upper
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Cooling System
Heater Hose, ReplaceChevrolet Cobalt Service & Repair Manual. Cylinder Head R&R
Removal
1.
Remove air inlet duct and resonator.
2.
Disconnect IAC, TPS and MAP sensor.
3.
Disconnect EVAP and PCV hose.
4.
Disconnect purge solenoid tube and
brake booster hose.
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