Suffering with No or Partial heat? Only passengers or driver side heating up? No heat before or after the engine warms up?
These are all symptoms of a failed valve on the cooling system (Either matrix mixing valve or FBH park heater control valve)
Join me to see where the valves are located and a little explanation of how to repair/replace these valves.
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Any L322 4.4 TDV8 content I will watch, love mine
Good work! I love the L322 content!