Bronco needs some cheese with the wine
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Senior User
Joined: Mar 2002
Posts: 214
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From: Florida East Coast
Bronco needs some cheese with the wine
My Bronco for a long time has made a low speed growl that become a wine as it gets up to speed. When I let off the gas it goes away, constant speed you here it. It is in the back of the truck. Anybody know what it is and how to fix it. I have 120K on the truck.
New User
Joined: May 2003
Posts: 11
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From: Texas
Bronco needs some cheese with the wine
Hey how are you doing! Well I am new here and I havent introduced myself yet so might as well do it now.... so Hi, anyway about your problem maybe check your rear wheel bearings with 120k maybe they need to be repacked or changed if their bad... dunnos just an idea.
Posting Guru
Joined: Aug 2000
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Bronco needs some cheese with the wine
Scott, that is the ring and pinion gears making the noise. That is too few miles for them to be worn out though (unless mistreated). Check the oil level, and make sure it's filled to the top of the fill hole.
Hotshot
Joined: Jul 2002
Posts: 14,285
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From: Bend,OR
Bronco needs some cheese with the wine
Bronco scott, does the rear end in your bronco have a limited slip. because if it does you must add a special fluid along with the gear oil so the limited slip works properly with everything else. if you dont it can cause issues. and when you changed the fluid did you pull the cover off?
later
later
Post Fiend
Joined: Nov 2002
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From: Memphis, TN
Bronco needs some cheese with the wine
Not using the additive will only keep the L/S from working - it won't affect the gears or bearings.
It sounds like the rear end was damaged by water contamination, and is now chewing itself up.
It sounds like the rear end was damaged by water contamination, and is now chewing itself up.
Post Fiend
Joined: Nov 2002
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From: Memphis, TN
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Hotshot
Joined: Jul 2002
Posts: 14,285
Likes: 12
From: Bend,OR
Bronco needs some cheese with the wine
Thanks steve for that correction. you learn somthing new every day.
what would cause a limited slip to chew up. my ring and pinion are fine but the damn spider gears have some nasty chunks taken out of them. would that be cause by not putting additive in when the fluid was changed last??
thanks
later
what would cause a limited slip to chew up. my ring and pinion are fine but the damn spider gears have some nasty chunks taken out of them. would that be cause by not putting additive in when the fluid was changed last??
thanks
later
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Post Fiend
Joined: Nov 2002
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From: Memphis, TN
Bronco needs some cheese with the wine
No, the additive is ONLY a "friction modifier" that causes the L/S clutches to grab instead of being lubricated by the oil. It has no effect on the steel parts.
I've chewed up a few spider gears, and it's always been because of oil contamination, oil loss, overstressing, or some combination of those.
I've chewed up a few spider gears, and it's always been because of oil contamination, oil loss, overstressing, or some combination of those.
Post Fiend
Joined: Nov 2002
Posts: 9,987
Likes: 7
From: Memphis, TN
Bronco needs some cheese with the wine
If you're ONLY replacing the clutch packs, you can do it yourself fairly easily since you won't be messing with the gear mesh. Just make SURE you keep the shims organized and put them back EXACTLY where you found them.
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From: Florida East Coast
Bronco needs some cheese with the wine
I didn't pull the cover but rather siphoned. It is a one wheel wonder, no limited slip. Guess I will pull the cover soon and look at the gears. I should start looking for a donor too.
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Bronco needs some cheese with the wine
I had this exact same noise in my bronco a few months back. What it turned out to be, was the carrier bearings in the rear axle were getting ready to fail. When it did fail, it dropped the ring gear, and the ring gear ground a hole through the bottom of the axle housing and I lost all my fluid. This happened while four wheelin.
I had to buy a new axle. The new axle cost me $2400. I could have gotten a used one from a junk yard for $800.00 installed, but I rather put in a new one myself!!! HOPE THIS HELPS.
I had to buy a new axle. The new axle cost me $2400. I could have gotten a used one from a junk yard for $800.00 installed, but I rather put in a new one myself!!! HOPE THIS HELPS.
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