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| | |-+  Crank pulley woes! On Triton 6g72 v6 2003 model
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Author Topic: Crank pulley woes! On Triton 6g72 v6 2003 model  (Read 148 times)
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« on: 09 October, 2017, 19:08:57 PM »

Hello all,

Recently had the front crank seal let go (oil everywhere), and my mechanic said the pulley bolt came loose, destroying the woodruff key.

Replaced seal, and new woodruff key (had to wait 3 weeks for it from Japan!)

A few weeks down the line I noticed the pulley was wobbling, but seal still looked dry.  We removed the pulley and ran it on a mill and it ran true and straight.  Back on the truck, wobbled again!

I suggested new pulley, Mechanic says only a slight wobble, just drive it!

Did just that.

4k miles later, oil dripping from new seal, pulley wobbling again.  Also, making an intermittent random 'ticking' noise from pulley area.

Any suggestions?

Am back to see my mechanic in the morning.

Let me know your thoughts...

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« Reply #1 on: 10 October, 2017, 01:01:12 AM »

Just before anybody mentions delaminating pulleys, it is a solid pulley on the V6.

I can only suggest removing the pulley and attempt to set up a dial gauge on the crankshaft end then rotating the crank a turn to see if it is still true.

2002 V6 Triton Auto, Green/Silver, Carry-boy cover, Cookin' on Gas!
Blackburn, Lancs
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« Reply #2 on: 10 October, 2017, 09:14:14 AM »

what nooks said sounds like roller bearing on the crank perhaps

2005 4 Life
Blue over Silver Double Cab
K&N Apollo EGR removed S/S De-Cat Armadillo Roller Shutter Boost gauge Wax-oiled and under-sealed Interior blue LED's Roll bars
2 Led spots 2 search lights 4 work lights with red angle eyes 7" screen for trailer cams Stereo with flip down screen

To go on
Stainless steel exhaust
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« Reply #3 on: 10 October, 2017, 19:06:41 PM »

Just turn it over without the pulley on - should be fairly obvious if either the crank nose is out of true or the whole crank is wobbling

02' Single cab (green). 105000 miles
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