heating issue??

TSB for 08 MKZ heater

TSB for 08 MKZ heater

Had it in yet another time for low heat output at idle.
They replaced the water pump inlet tube (which looks identical to the original)

TSB 08-6-6

Seems better now

One of the bearings the drive shaft goes through was noisy, so the 3 pc drive shaft was replaced too.
 
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