If the vehicle is damaged and requires sheet metal repair or replacement, make sure the body repair shop applies anti-corrosion material to parts repaired or replaced to restore corrosion protection.
Original manufacturer replacement parts will provide the corrosion protection while maintaining the vehicle warranty.
Chevrolet Cobalt Service & Repair Manual. Coolant Hose, Replace
Lower
1.
Drain coolant into a suitable container.
2.
Loosen hose clamp connecting hose to
radiator.
3.
Loosen hose clamp connecting hose to
water pump inlet.
4.
Remove hose ...