What could be the knocking noise coming from the engine area?
There is a knocking sound that started coming from my car a couple days ago. It's not a ticking or a clanking knock. It's more of the sound when you take your fisted hand and starting from an inch above a wooden desktop tap at about 1 knock per second. (It's more of a deep and slow, soft knock than most of the sounds I've been hearing while researching online).
To add, I have had a problem with coolant leaking from the thermostat housing gasket—well there was no gasket. We replaced that, and now it doesn't leak—but the coolant is still going somewhere. I don't know where yet....
Any ideas on what the knock is and possibly where my coolant is going? And what fixes do you think would be best?
Thanks for any suggestions. :)
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