During a cold engine start the engine runs smooth. After approximately 3 seconds a solenoid clicks and a loud chirping noise emanates from the front or passenger side. I’m guessing the solenoid engages the AC pump and the sound is an idler pulley or another pulley on that assembly. The...
2015 Expedition Limited MAX with 60K. 3.5L Twin turbo v6. 6 speed trans.
Prior to a long trip i replaced the oil and filter after only 3,000 miles, and the engine air filter which had maybe 10,000 miles on it. The air filter, the old oil were not too bad. Between snow trips and trailer...
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