•Tool is used to release tension on serpentine belt self-adjusting .
•Idler pulleys and push or pull to release tension.
•3/8” Driver Bar for socket & crowfoot wrenches: Ford 1.9 & 2.3L; GM 3.1L.
•1/2”Square Driver Bar: Chrysler 2.5 and 3.0L; Ford 4.6L.
•3/8”Drive 12 point 13mm skt.
•3/8”Drive 12 point 15mm skt: Ford 3.0 and 3.8L; Chrysler 3.0, 3.3 and 3.8L; GM 2.2, 2.8, 3.8 and 4.0L.
•3/8”Drive 12 point 16mm skt: Ford 3.8 and 4.0L.
•3/8”Drive 12 point 18mm skt: GM 3800. •3/8”Drive 12 point 19mm skt.
•3/8”Drive 13mm crowfoot wrench: GM Quad Four Engine.
•3/8”Drive 14mm crowfoot wrench: Saturn Engine.
•3/8”Drive 15mm crowfoot wrench: Ford Windstar with 3.8L Engine.

•Tool is used to release tension on serpentine belt self-adjusting .
•Idler pulleys and push or pull to release tension.
•3/8” Driver Bar for socket & crowfoot wrenches: Ford 1.9 & 2.3L; GM 3.1L.
•1/2”Square Driver Bar: Chrysler 2.5 and 3.0L; Ford 4.6L.
•3/8”Drive 12 point 13mm skt.
•3/8”Drive 12 point 15mm skt: Ford 3.0 and 3.8L; Chrysler 3.0, 3.3 and 3.8L; GM 2.2, 2.8, 3.8 and 4.0L.
•3/8”Drive 12 point 16mm skt: Ford 3.8 and 4.0L.
•3/8”Drive 12 point 18mm skt: GM 3800. •3/8”Drive 12 point 19mm skt.
•3/8”Drive 13mm crowfoot wrench: GM Quad Four Engine.
•3/8”Drive 14mm crowfoot wrench: Saturn Engine.
•3/8”Drive 15mm crowfoot wrench: Ford Windstar with 3.8L Engine.