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FJR Motorcycle Forums
Technical & Mechanical Problems
Aluminum shavings in coolant
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<blockquote data-quote="RossKean" data-source="post: 1440115" data-attributes="member: 19880"><p>How long since the coolant had been changed? I assume this isn't the first time...</p><p></p><p>If there are actual metal filings, the only moving part in the system is the water pump impeller (unless you consider the opening and closing of the thermostat). If there had been white particulates, I would have considered corrosion products from the radiator or hard water deposits. Did you take a photo of the particulates?</p><p></p><p>Never heard of a water pump "sort of" working; at least not for long! They tend to work or not but maybe it isn't moving enough liquid. Might be worth taking it apart and having a look as a first step. Certainly the presence of filings along with insufficient cooling is suspect.</p><p></p><p>As far as overheating is concerned, also consider:</p><p></p><p>Radiator cap</p><p></p><p>Thermostat</p><p></p><p>Overflow tank plumbing (not sucking fluid back as engine cools - kink or split)</p><p></p><p>Radiator hose - friend had a small hole in an upper hose that leaked very little but drew air in when cooling so radiator wasn't running full</p><p></p><p>Radiator itself - crap and oxidation builds up over time.</p><p></p><p>Good luck!</p></blockquote><p></p>
[QUOTE="RossKean, post: 1440115, member: 19880"] How long since the coolant had been changed? I assume this isn't the first time... If there are actual metal filings, the only moving part in the system is the water pump impeller (unless you consider the opening and closing of the thermostat). If there had been white particulates, I would have considered corrosion products from the radiator or hard water deposits. Did you take a photo of the particulates? Never heard of a water pump "sort of" working; at least not for long! They tend to work or not but maybe it isn't moving enough liquid. Might be worth taking it apart and having a look as a first step. Certainly the presence of filings along with insufficient cooling is suspect. As far as overheating is concerned, also consider: Radiator cap Thermostat Overflow tank plumbing (not sucking fluid back as engine cools - kink or split) Radiator hose - friend had a small hole in an upper hose that leaked very little but drew air in when cooling so radiator wasn't running full Radiator itself - crap and oxidation builds up over time. Good luck! [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Aluminum shavings in coolant
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