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The Terminator
Engine/Tuning
Coolant splash..
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<blockquote data-quote="SVT_S5" data-source="post: 16877477" data-attributes="member: 202601"><p>Talked to my Audi engine builder, he said it “COULD” be a hg even if there was no overheating, white smoke etc.. a small crack would never cause the above symptoms but it would eventually occur.</p><p></p><p>I showed him the coolant test kit results photos and he said and I quote:</p><p></p><p>“When coolant heats up, it expands, causing the pressure to build up. The cap is the only place where this pressure can escape, so maybe the extra 7 psi you had there was because the OEM cap was never installed during the test; pressure had nowhere to go”</p><p></p><p>Oh, I also tested 2 OEM caps and 1 brand new Motrad cap: 9, 7 and 11 PSI respectively.</p><p></p><p>Bought an aftermarket aluminum cap and it’s holding 20 PSI with no sweat.</p><p></p><p></p><p>Sent from my iPhone using Tapatalk</p></blockquote><p></p>
[QUOTE="SVT_S5, post: 16877477, member: 202601"] Talked to my Audi engine builder, he said it “COULD” be a hg even if there was no overheating, white smoke etc.. a small crack would never cause the above symptoms but it would eventually occur. I showed him the coolant test kit results photos and he said and I quote: “When coolant heats up, it expands, causing the pressure to build up. The cap is the only place where this pressure can escape, so maybe the extra 7 psi you had there was because the OEM cap was never installed during the test; pressure had nowhere to go” Oh, I also tested 2 OEM caps and 1 brand new Motrad cap: 9, 7 and 11 PSI respectively. Bought an aftermarket aluminum cap and it’s holding 20 PSI with no sweat. Sent from my iPhone using Tapatalk [/QUOTE]
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