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SportTrac Discussion
General Sport Trac Discussion
Squealing... water pump? 2004 ST XLT
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<blockquote data-quote="swshawaii" data-source="post: 1041555" data-attributes="member: 67547"><p>Was the idler pulley bolt loose enough for the pulley to wobble? Factory torque spec is 35 ft/lbs. so it needs to be pretty snug. All pulleys should spin smoothly with no binding or grittiness. Replace the pulley, or at the very least the bearing if questionable.</p><p></p><p>If you started the engine and the noise wasn't there it's probably a good thing. Does the water pump spin smoothly? Is the weep hole dripping coolant? Crankshaft pulley (aka harmonic balancer) would be the most difficult fix, but if it doesn't make noise, wobble, or show rubber bits shedding it's fine.</p></blockquote><p></p>
[QUOTE="swshawaii, post: 1041555, member: 67547"] Was the idler pulley bolt loose enough for the pulley to wobble? Factory torque spec is 35 ft/lbs. so it needs to be pretty snug. All pulleys should spin smoothly with no binding or grittiness. Replace the pulley, or at the very least the bearing if questionable. If you started the engine and the noise wasn't there it's probably a good thing. Does the water pump spin smoothly? Is the weep hole dripping coolant? Crankshaft pulley (aka harmonic balancer) would be the most difficult fix, but if it doesn't make noise, wobble, or show rubber bits shedding it's fine. [/QUOTE]
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SportTrac Discussion
General Sport Trac Discussion
Squealing... water pump? 2004 ST XLT
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