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<p>[QUOTE=&quot;Johny41, post: 4301703, member: 60588&quot;]I had the cups&nbsp; problem 4 times, and every time the first symptom was hard starting,&nbsp; long cranking, losing prime fuel pressure, when the cups are leaking air, the diesel drains back to tank, I used manual prime pump also; but after awhile are leaking worst losing&nbsp;&nbsp; compression and power , I ignored once but lost power got towed ;</p><p>maybe the head gasket is leaking, I had this problem with my last truck; </p><p>the ERG coolers are well made on this motor, mine is still original; but some friends of mine changed it 2-3 times, and need to pressure check it to find leaks; The compressor gasket can also leak , the water pump and the coolant container level sensor, but this 2 are visible;[/QUOTE]</p><p><br /></p>

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