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1989 Ford Bronco

Tiny
UBLION
  • MEMBER
  • 1989 FORD BRONCO
  • 6 CYL
  • 4WD
  • MANUAL
  • 333,000 MILES
!989 bronco ii. I hear a clanking from the front end while the motor is in idle and accelerating. The sound will increase in speed as I accelerate. Almost sounds like metal spinning within metal. The front u-joints are fine. It cant be the axle if Im not moving. When I accerlate Ill hear a combo clanking and clacking. I think the clanking is aleak from exhaust maifold gaskets.
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Tuesday, September 14th, 2010 AT 9:32 PM

3 Replies

Tiny
MADMIKE1735
  • MECHANIC
  • 951 POSTS
333000 miles, sounds like the rods and mains are spent (bearings) and possibly the wristpin bearings. At this point its cheaper to replace the engine. Maybe be a sticky lifter, but being such high mileage, id put my money on a bearing. Pull the oilpan to see if you spun a bearing. At that point, check the condition of the bearings. If you see copper, they are junk. Should turn the crankshaft, and get new bearings, but keep in mind mileage. I suggest a new engine.
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Tuesday, September 14th, 2010 AT 9:51 PM
Tiny
UBLION
  • MEMBER
  • 9 POSTS
I might have miss lead you with the "Clanking sound"
Its more of a rining sound. I dont know if that helps. The motor sounds pretty good. Just a little tick from the lifters.
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Tuesday, September 14th, 2010 AT 10:05 PM
Tiny
MADMIKE1735
  • MECHANIC
  • 951 POSTS
If its a whining noise, pull the front timing cover, check your chain tensioner, and slides. They should be good and worn by now.
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Tuesday, September 14th, 2010 AT 10:14 PM

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