Re: Do's/Don'ts of Engine Cleaning (Tell us your experiences...)
Your right about the ignition parts. I have seen many a decent running cars brought to a stop from faulty/old ignition parts getting wet---more specifically spark pulg wires. A really good quality wire will save you some hassles. If its an OEM application on a daily driver, i always insist on factory wires. If you happen to drive a Mitsubishi, i can not stress enough to get a factory wire (coming from experience working in a dealerships).
About the A/C compressor---i feel its a good idea to run it, but its not because the compressor itself will rust away, its the fact the you can get rust buildup on the clutch of the compressor. So yea, run it and get the clutch dried out.
If you have belt squeal, you can very carefully take a scotchbrite pad and lightly hold it to the inside of the belt while the engine is running. I can not stress the importance of being careful doing this so you dont get your hand caught in the pulleys/and/or mechanical fan. All your tring to do is deglaze the belt some. It might just save you from buying new belts if the old ones are still decent.
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