The W116 LibraryThe definitive W116 resource!
Started by Jan S, 22 June 2022, 06:59 AM
Quote from: UTn_boy on 22 June 2022, 03:43 PMProvided there is no air in the cooling system, Hearing air gurgling in the heater core is indicative of a leaking or blown head gasket.
Quote from: adamb on 24 June 2022, 04:45 PMThere should be no problem with temporarily disabling this valve/securing it in closed position. If the engine is running fine, doesn't overheat, warms up quickly then I'd say there's nothing to worry about. Longer term devote some hours to finding the source of the leaks. For reference the main source of leak on mine was a 1-into-2 slide valve in the driver's door (rhd). All vacuum hoses and connections were fine. You'll need a vacuum pump. I use the Mini MityVac bought ages ago from USA.
Quote from: adamb on 26 June 2022, 05:23 AMIt's one of these as far as I recall.
Quote from: ptashek on 27 June 2022, 09:30 AMAlso known as the central locking master cylinder, and a well known source of leaks.
Quote from: adamb on 27 June 2022, 03:47 PMI didn't know that this is well known. It was a surprise to me.
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