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Grinding noise in left front
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Dave Guard
• West Chester, OH, USA
• Registered on 3/19/2003
• 14 posts
Posted:10/30/2003 16:43
The search engine is down, or I'd bet this one's been discussed before, so sorry if
its a repeat.

I am getting a really ugly grinding noise in the left front. Sounds like pop-corn popping
or a shaking tin can full of BBs. Not all the time, but more an more frequent. I first noticed
an occassional light squeak like a center cap was loose or something. Its gotten progressively
worse over the past 300-400 miles and is now parked until I can take it apart and solve the
problem.

It did have a recent brake service, new rotors, Performance Friction pads. The caliper frame
on the driver's side was replaced due to a frozen pin. New shocks back in the spring. I took
the wheel off last week to make sure there was nothing loose. I lubed everything up while
I was under there too.

Its a 2000 Limited V-10 4x4 with only 53K miles on it. A heavy duty truck in extremely light
duty use. Its the family truckster and occasionally tows a small pop-up camper.

Are wheel bearings a common failure on these ? Its always been a bit like hearding cats to
drive it down the road but I always blamed that on the Firerock tires and HD chassis.

Any help you can provide is greatly appreciated.

Dave Guard
[email protected]
Dave Guard
• West Chester, OH, USA
• Registered on 3/19/2003
• 14 posts
Posted:10/31/2003 09:11
Are there any "how To" instructions for wheel bearing replacements (just guessing
ahead on the diagnosis) ? Are there any special tools needed ?

I ordered the Helm repair manual for my truck but it won't be here until sometime
next week. I'm in a bit of a jam and really need to resolve the problem this weekend.

Ask the SUV haters, whatelse they can carry their kid's Baritone Sax in....

Thanks again,


Dave

• 0 posts
Posted:10/31/2003 09:59
You dont have servicable wheel bearings. The hub/bearing unit is "unitized", all one spendy piece.

I have killed wheel bearings in my life and never heard them make a noise like that.

Need more info,

Is the noise under acceleration or braking, or both? Steering?

IF you jack up the truck and spin the tire can you hear it?

take off the lug cover and go for a spin.


Secondly,

Caliper frame replacement? Frozen pin?

I just did my brakes 2 nights ago. Both my lower pins looked like rusty poop. last person to do my brakes just padded it and didnt do em right. So, i buffed out the rust and dirt and properly lubed em with some 3m silicone grease. Put on napa Ceramix pads, in hopes they last longer.


i just dont understand the caliper frame replacement?


Dave Guard
• West Chester, OH, USA
• Registered on 3/19/2003
• 14 posts
Posted:10/31/2003 12:42
It makes the noise rolling, turning and is unchanged whether braking.
Its sounding more and more like a bearing/ hub noise. I'll have to try
the wheel spin, but it doesn't happen all the time.

Any special tools or tricks needed to replace one of these ?


On the brakes, there is a caliper bracket of halo-frame that bolts to the
spindle upright (its the part you have to remove after the caliper, before the
rotors can be removed). This caliper frame is what the 2 slider pins go into.

On my right front, one of the pins was frozen causing the caliper to hang up.
Enventually, since the caliper is supposed to slide as trhe pads wear, the right
front caliper became useless and all the braking was being done by the left front.

On mine the pin was seized up so badly that it could not be free'd up. I placed
the caliper frame (~$50) and the two pins. If yours were able to slide freely after
the clean-up then you're probably OK.

Thanks,

Dave

• 0 posts
Posted:10/31/2003 15:52
The unitized hub assemblies are not servicable and cost between $360 and $404.00 each side.

I was quoted 404.00 from ford, then the guy tells me he could hook me up for $360 each. So, who knows what the cost will be if i call him again

gomobius
• Granger, IN, USA
• Registered on 4/2/2003
• 42 posts
1
Posted:11/1/2003 13:32
Dave go to http://www.thedieselstop.com/contents/getitems.php3?Ball%20Joint%20Installation it is an installation guide for ball joints, but you have to take the bearing hub off to do the job. Follow the procedure up to that point.

gomobius

This is what the hub looks like make sure you replace the yellow seal.


2000 LTD 4X4 V10, Transgo Tugger Shiftkit, Auburn limited slip, poly bushings, helwig anti sway bar, ranchos, centermatics,kevlar brake hoses,and a cool looking SUPERFORD.ORG sticker
edited 11/1/2003 13:41
Dave Guard
• West Chester, OH, USA
• Registered on 3/19/2003
• 14 posts
Posted:11/3/2003 07:40
Problem found and fixed!!!

I put a wheel bearing on Saturday morning. Its a fairly straight-forward
job (would have been even easier if would have read gomobius' post first :-)
The whole job took a little over an hour which included fiddling with the 4x4
hub for a bit, just to see how it worked.

My old bearing was really ground-up. There were a lot of metal shavings on the
bearing housing and inside the brake rotor. With the wheel off, the hub would spin
freely about a half turn, the next half turn was real notchy.

I wonder what makes these things fail ? I have 53K on my 2000. I bought it
at 40k. As near as I can tell is was never used to tow, looks as though it
was purely used as a commuter car - no wear on the interior, exterior and
it was the cleanest one underneath, of any I looked at. It would seem that
a HD truck chassis would last forever in these conditions, but it sounds like a
common failure for all SuperDuties (at least my parts guys says they see them
in the shop all the time).

Thanks for the follow-up. The picture was great. The new hub comes with the
hub assy (obviously), 4 new studs and a new yellow o-ring. You re-use the 4 nuts.
The hardest parts was separating the hub from the spindle. A little persuation
with a rubber mallet did the trick.

BTW- the steering is much tighter now. I'll check out the right hub in the near
future.


Dave Guard
2000 Limited 4x4, 53K new brakes, new wheel bearing, Mac cold air intake, rear air
ride systems goes on next.

Ford Excursion Forums > Ford Excursion V8, V10, and Powerstroke > Excursion Discussion
Grinding noise in left front
Thread Statistics:     Users to Post: 3   |   Total Posts: 7   |   Total Views: 1658
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