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Crown Victoria, Marauder, Marquis

06 police interceptor startup sound

5 posts 3 contributors 1,362 views
35

350wolverineOP

  • Member since Jun 2010
  • 4 posts
  • cottage grove , MN, USA
Jun 30, 2010 at 7:55 PM
My 06 makes a weird thumping noise coming from the front of the motor only at startup and not all the time it only lasts a couple of seconds. I removed serpentine belt and started and I dont hear it . any suggestions?
JD

jdmeaux

Jun 30, 2010 at 9:06 PM
Possibly a bearing going bad on one of the accessories; water pump bearing, A/C bearing, power steering, or tensioner. You need to pinpoint this ASAP.
*******************
PROUD MEMBER of www.crownvic.net

It's just a SUPER-DUTY Mustang GT Sedan. 198K miles and still rolling HARD.

1997 Crown Victoria P71 SVT *** ex-US Marshall service (the CAR)
STOCK?? I bet it was modified.

13.26 @ 107.24 MPH 1/4 mi w/ me, tools, & full tank of 93 octane

I added CAI, NICHE 19 X 8.5 " wheels with 245/45ZR 19 rubbers, and completely rebuilt the front end with poly bushings, Kooks headers, 2 1/4inch exhaust, TCI 2200-2400 rpm Stall converter

.PLANS:: engine upgrade, 5.4L 2v stroker, rebuild interior in leather w/ buckets, thinking about turbos

35

350wolverineOP

  • Member since Jun 2010
  • 4 posts
  • cottage grove , MN, USA
Jul 6, 2010 at 12:13 AM
thanks, It's a tough one yo pinpoint I'm actually hoping it gets worse so I can find it. not sure of any other way the bearings seem fine when I manually spin them, would be great if it was the tensioner.
35

350wolverineOP

  • Member since Jun 2010
  • 4 posts
  • cottage grove , MN, USA
Jul 6, 2010 at 8:37 PM
whats a good way to tell which bearing is going bad?
WE

wethvento

  • Member since Jul 2010
  • 1 post
  • Wethersfield, CT, USA
Jul 26, 2010 at 12:29 PM
use that thing that doctors use....they actually have them at a automotive store.......it works really well.....used on a passat that i owned in the past....now getting into vics
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