Intake Manifold & Tumble Generating Valves (Tgv) - Subaru Legacy 2015 Technicians Reference Booklet

2015 Legacy and Outback
New Technology Training
(Module 926)
Intake Manifold & Tumble Generating Valves (TGV)
The construction of the TGVs has been changed from aluminum to resin. The TGVs are now
integrated to the upper intake manifold.
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TGVs Intake Manifold Exploded View
The TGV port tract has also been changed to promote increased tumble. When the valve Is closed
on the new configuration, air is forced toward the center of the engine instead of the outside.
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TGV Flow
June 2014
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