Rob Daniels
Forum Newbie
Posts: 98
Reg: 04-22-12
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07-23-12 01:02 PM - Post#2251246
Heard load screaming from gearbox, goes away when peddle depressed, presumably thrust bearing. Also after a way down the road the car popped out of third. It would stay in for a short time, but would pop out again. It is fine in first and second, but will not stay in third. Would the thrust bearing cause this or is there another problem?
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 Panama Red
"3rd Year" Silver Supporting Member
Posts: 492
Age: 65
Loc: Jenison, Michigan
Reg: 08-29-10
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07-23-12 01:07 PM - Post#2251248
In response to Rob Daniels
I'd be more inclined to think it's the front bearing in the transmission causing the problem. It it's badly worn, it will make a loud whining or "screaming" noise when in gear. And, since it rides on the output shaft, which is the 3rd gear, the bearing could be worn enough to allow movement of the gear away from the slider allowing it to pop out of gear. I'm assuming you are running a stock 3 speed.
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 rrausch
"12th Year" Silver Supporting Member
Posts: 9780
Loc: L.A, Cal. & St. Louis...
Reg: 04-07-03
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07-23-12 01:14 PM - Post#2251251
In response to Panama Red
Rob, what are you calling the thrust bearing? The front bearing that Panama Red is referring to, I think is called the Clutch Bearing, not to be confused with the throw-out bearing. Generally if the clutch bearing is bad it will whine in all gears.
Was the trans worked on recently?
The Shop Manual has a very good section on the 3-speed trans. And the popping out of gear could be an adjustment, although the screaming does sound serious.
1953 210 Convertible, 261 with dual Carter YF 966S carbs, P.S., Remote Bendix P.B. Booster... shade-tree restoration about done.
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Rob Daniels
Forum Newbie
Posts: 98
Reg: 04-22-12
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07-23-12 01:23 PM - Post#2251254
In response to rrausch
Yes I was refering to the throw out bearing. Different terminolgy this side of the Atlantic  Will know more when I pull it. Just trying to get some idaes of potential cause.
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Panama Red
"3rd Year" Silver Supporting Member
Posts: 492
Age: 65
Loc: Jenison, Michigan
Reg: 08-29-10
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07-23-12 01:35 PM - Post#2251257
In response to Rob Daniels
The throw out bearing would more likely make noise when the pedal is depressed as that's the only time it is supposed to make contact with the pressure plate. If the trans makes noise when the pedal is up and the car is in gear, I'm still leaning toward a failing input shaft bearing, or Clutch bearing if you prefer.
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Rob Daniels
Forum Newbie
Posts: 98
Reg: 04-22-12
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07-23-12 01:51 PM - Post#2251259
In response to Panama Red
Thanks Panama Red. Looks like its time to buy a manual and do my first ever gearbox job. I'll let you know when I have the gearbox out.
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morris56
Member
Posts: 76
Loc: Parker Co. Tx.
Reg: 08-20-04
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07-23-12 02:13 PM - Post#2251272
In response to Rob Daniels
I had this same exact problem(loud whine in 1st,popping out of 3rd) and it was worn out bearings(2) in the tranny.....Man,bearings are expensive....
| `54 convertible,`49 5 window 3100 p/u |
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rrausch
"12th Year" Silver Supporting Member
Posts: 9780
Loc: L.A, Cal. & St. Louis...
Reg: 04-07-03
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07-24-12 01:36 PM - Post#2251720
In response to morris56
Edit to my above post--that bearing is actually called the Clutch Gear bearing. And it's not hard to replace at all, once the trans is out. But if you're going to go that far, you might as well replace the roller bearings and the rear bearing.
Get the manual and study the chapter on the manual trans. Rebuilding one is not difficult at all. Here's a Thread I posted as I was rebuilding a '54 3-speed for my '53.
Rebuilding a 3-Speed
1953 210 Convertible, 261 with dual Carter YF 966S carbs, P.S., Remote Bendix P.B. Booster... shade-tree restoration about done.
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Rob Daniels
Forum Newbie
Posts: 98
Reg: 04-22-12
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07-25-12 10:01 AM - Post#2252035
In response to rrausch
Thanks for the link to your thread it will be a big help. Haven't done anything so far apart from drain the oil. I got about three table spoons out 
Have ordered a manual at the local USA parts shop. They have two or three spare gearboxes out back if I need anything to compare with. Will get the thig out this weekend and then start stripping it.
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Rob Daniels
Forum Newbie
Posts: 98
Reg: 04-22-12
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09-09-12 12:38 PM - Post#2268034
In response to Rob Daniels
Update on my gearbox issue. I pulled the gearbox, but then had to go into hospital and have an operation to repair a hernia so was unable to complete the gearbox job myself. A friend with a 54 Bel Air offered to look at the gearbox for me. After he stripped it he couldn't really see anything wrong except for the rear bearing spinning in the casing which I suspect was the screaming especialy as there was virtualy no oil in the box. I ordered new bearing from Chev's of the 40's as it was cheaper to import them than get them from our local bearing shop. My friend then fitted front, rear and the two sets of roller bearings and new thrust washers. He did say that he found wear in one set of roller bearings and after he had put the box together the small amount of play on the front shaft was no longer present. Another friend roadsterrob who has a 53 Bel Air fitted it for me over the last few days and today we drove the car again for the first time in over five weeks. All seems fine, no squeeling noises and it held in third.
Thanks to you guys on here for the diagnosis and my two friends over here for doing the work for me. 
We are now looking forward to using her again before the winter sets in.
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 bobg1951chevy
"6th Year" Silver Supporting Member
Posts: 5104
Loc: Ellijay, GA
Reg: 02-18-08
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09-09-12 12:45 PM - Post#2268035
In response to Rob Daniels
You have good friends ! Best wishes for a speedy recovery. 
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chevyivar
Forum Newbie
Posts: 34
Age: 33
Loc: Norway
Reg: 08-30-12
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09-09-12 04:11 PM - Post#2268091
In response to Rob Daniels
Rob.
I had exactly the same problems on my 54.
I bought a overhaul kit to put in, now i know what the problem was, and what to check.
Thanks for bringing this up
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rrausch
"12th Year" Silver Supporting Member
Posts: 9780
Loc: L.A, Cal. & St. Louis...
Reg: 04-07-03
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09-09-12 05:43 PM - Post#2268137
In response to chevyivar
That's great. Glad to hear it's fixed.
1953 210 Convertible, 261 with dual Carter YF 966S carbs, P.S., Remote Bendix P.B. Booster... shade-tree restoration about done.
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