Home » General Motors GM-48974-30 EGR Cooler Tester Adapter Set, 1" (2011-Current 5.2L)

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GM Special Tools and Equipment

General Motors GM-48974-30 EGR Cooler Tester Adapter Set, 1" (2011-Current 5.2L)

SKU: GM-48974-30
$199.99

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General Motors GM-48974-30 EGR Cooler Tester Adapter Set, 1" (2011-Current 5.2L)

Kent-Moore Tool Number: EN-48974-30

When testing for cooling system leaks, especially those into the EGR or exhaust system, the EGR cooler can be pressure-tested in the vehicle to identify a leak or source of coolant loss. Testing in-vehicle is preferred due to the labor-intensive process required to remove the cooler and its related components.

GM-48974-30 features a pressure adapter to replace one existing hose and a plug to replace another hose, along with the necessary clamps. The pressure adapter is connected to the currently Essential GM-46091-1 Pressure Gauge Assembly. Once GM-46091-1 is connected to shop compressed air, its regulator is adjusted to allow a maximum of 10 psi into the EGR cooler. GM-46091-1 can shut off the supply of air, and the gauge is checked to determine if pressure is being lost through the EGR cooler.

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