Reply With QuoteAuxiliary coolant pump.
It's PWM controlled by the ECU. Most likely to run after the engine has shut off from normal operating temperature.
New Dubber
Hey all,
Just wondering if anyone knows what the pictured pump is and when should i expect it to turn on? I've never seen any voltage going to it with all my testing.
2011 2.0bitdi amarok
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Ultimate Dubber
Auxiliary coolant pump.
It's PWM controlled by the ECU. Most likely to run after the engine has shut off from normal operating temperature.
'07 Transporter 1.9 TDI
'01 Beetle 2.0
New Dubber
Interesting. I've heard my aux pump b run after shut down but I've never seen or heard and indication that my other pump is sound anythingOriginally Posted by Umai Naa!!
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