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Old 11-16-2013, 11:19 PM
jameson's Avatar
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Join Date: Jan 2010
Location: Swansboro, NC
Posts: 8
1989 560SEL Pulley collision- Help!

Purchased a nice 1989 560SEL from a family that had owned for 10 years. Drove home 160 miles, mostly interstate. Did great!

Noticed a groaning noise sometimes at mid speed but would stop if i pressed harder on accelerator pedal. I assumed it was water pump stating to fail, but temp never rose and i made it home safe.

Next day i drove about 20 miles, and 6 miles away from home, she stranded me!

Events:
- Driving 45mph, all lights lit up on dash. Pulled over and turned off quick.
- Popped hood, discovered alternator belt was chewed and gone. closer inspection showed the water pump pulley had shifted forward(toward radiator) and was clashing with the crankshaft pulley.
- thus binding on alternator belt, and twisting the A/C belt around and knocking off on the others…
-called AAA and took a flatbed ride back to my driveway..

This was a week ago and i have been searching for an answer!

My question is… is it possible for the pulley to shift forward because of a failed water pump? Am in the the right direction? No leaks or signs before hand, except noise(could be something else!)

At this point i will need a new water pump, water pump pulley, crank shaft pulley and belts…

Please let me know any other possibilities you can think of!

/Users/jameson0191/Pictures/iPhoto Library/Previews/2013/11/16/20131116-230602/pYxR2OvDRJOwsf7gUEbPxQ/IMG_4199.jpg

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1986 300SDL ~300,000 mi.
1989 560SEL ~175,000 mi.
2011 F-150 ~37,000 mi.
1953 M38A1
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  #2  
Old 11-16-2013, 11:56 PM
pawoSD's Avatar
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Join Date: Oct 2004
Location: Grand Rapids, MI
Posts: 15,438
If the water pump bearing failed then I would imagine the pulley could shift forward.
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  #3  
Old 11-17-2013, 01:25 PM
jameson's Avatar
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Join Date: Jan 2010
Location: Swansboro, NC
Posts: 8
Thanks pawoSD

Will soon order parts and tackle this job! Ready to driver her!

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1986 300SDL ~300,000 mi.
1989 560SEL ~175,000 mi.
2011 F-150 ~37,000 mi.
1953 M38A1
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