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Review on ACDelco RC27 15 P.S.I. Radiator Cap: Genuine GM Original Equipment by Brian Cruz

Revainrating 5 out of 5

2002 Impala 3.4L is best in caps

I had a cooling problem in my 2002 Impala so I have everything checked; Hoses, radiator, cylinder head gasket, gaskets. Everything was fine and I couldn't figure out why my radiator was leaking liquid, but there were no visible leaks. I ordered this cover, put it on and now the liquid level is normal, there are no problems with cooling.

Pros
  • Seal and pressurize your car's cooling system as the radiator transfers heat from the engine coolant to the outside air
Cons
  • Some minor things