Yukon 2WD V8-5.7L VIN R (1997)
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Heater Core: Specifications
Screws on engine side of the cowl ............................................................................................................................................................. 1.9 Nm (17 lb in)
Nuts ........................................................................................................................................................................................................... 2.8 Nm (25 lb in)
Screw on interior side of the cowl .............................................................................................................................................................. 11 Nm (97 lb in)