What have you done to your truck today?
Posting Guru
Joined: Jan 2001
Posts: 2,357
Likes: 3
From: S. Mississippi
I pulled the brake calipers off of the 83 today in preparation of replacing them tomorrow with some new lifetime units. While the truck sat apparently my bleeder screws seized into the calipers, which caused me to round one of the bleeders off. So I just pulled both calipers to replace em.
Gonna have my lovely assistant help tomorrow with bleeding the brakes, and possibly helping me with some wiring issues as well. Hopefully tomorrow goes better than today did...
Gonna have my lovely assistant help tomorrow with bleeding the brakes, and possibly helping me with some wiring issues as well. Hopefully tomorrow goes better than today did...
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 38
From: EXTREME southwest CT
Bill,
The as cast raised boss varies (obviously) but is about .180" .181-.178-.,,, well you get the idea.
The full height of the pinion gear is .690"
The depth below the machined clamping face, to the back of the gear is -.225"
The height above the machined face to the top of the gear is .465"
So, given that I have .557" from the clamping surface to the face of the ring gear, that's 112thou clear.
And since I have .494" throw, there should be more than 3/8" engagement. (.382")
What are your feelings about this?
The as cast raised boss varies (obviously) but is about .180" .181-.178-.,,, well you get the idea.
The full height of the pinion gear is .690"
The depth below the machined clamping face, to the back of the gear is -.225"
The height above the machined face to the top of the gear is .465"
So, given that I have .557" from the clamping surface to the face of the ring gear, that's 112thou clear.
And since I have .494" throw, there should be more than 3/8" engagement. (.382")
What are your feelings about this?
Old School Hot Rodder
Joined: Feb 2006
Posts: 6,472
Likes: 11
From: Exmore, VA
Two things, I know it's getting late, but what about end play in the crank or runout on the ring gear? Everything in the pictures points to something crashing or chipping the starter pinion. Tomorrow, if it is light enough when you get home, try turning the engine with a wrench so you can look at all of the ring gear for any obvious signs of damage or wobble and see if you can tell if the crank moves when the clutch is pushed in.
Senior User
Joined: Jan 2012
Posts: 130
Likes: 1
From: Scottdale, PA
well, after a lengthy exchange of texts with a fellow from youngstown, tohio, I thought i was going to be putting my dually bed on his truck (with his help of course) and completing a sale to get the thing out of my way. well, he was supposed to be at my place at 4:30 for this all to shake out so i rushed home from work, but by 5:30, i was confident he was a no show. I sent a few texts to see if he was still planning to come out, or if he was on his way...but got no reply. bummer. I could have used the cash and it would have gotten the bed out of my garage bay. Kind of angry to say the least. I guess i should not count my chickens before they hatch. I guess i didn't really do anything to the truck afterall.
FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
well, after a lengthy exchange of texts with a fellow from youngstown, tohio, I thought i was going to be putting my dually bed on his truck (with his help of course) and completing a sale to get the thing out of my way. well, he was supposed to be at my place at 4:30 for this all to shake out so i rushed home from work, but by 5:30, i was confident he was a no show. I sent a few texts to see if he was still planning to come out, or if he was on his way...but got no reply. bummer. I could have used the cash and it would have gotten the bed out of my garage bay. Kind of angry to say the least. I guess i should not count my chickens before they hatch. I guess i didn't really do anything to the truck afterall.
Senior User
Joined: Jan 2012
Posts: 130
Likes: 1
From: Scottdale, PA
yeah, i have been on the other side as well. My favorite craigslist kick in the bits is this: I call about...let's say a canoe. good price. i tell the guy that I am leaving NOW to come get it but i will take an hour to get there. I even call before i get on the highway for the hourish trip to get it just to make sure that in the 15 minutes from my house to the turnpike it hasn't sold. still there. I haul it up there to get the boat and I knock at the door. Guys says...oh I sold it. I didn't think you were coming. really man. come on. or i get there and find that the price in the listing is no longer the asking price or the price we agreed upon over the phone no longer works for the guy...he says "I had a lot of calls since you said you were coming and I would like to get a little more for XYZ" Usually when that happens, I just walk... Had several of those guys call back after a day or so asking if I was still interested. Yeah I guess they were really knocking down your door for whatever crap it was you were selling...
Last edited by Cavstoy; Mar 5, 2012 at 09:40 PM. Reason: added stuff
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 38
From: EXTREME southwest CT
Yup,
I didn't forget what you said about end play in the crank. I'll try to get my wife to help with the clutch tomorrow.
I did rotate the crank one full revolution and saw no flat spots or missing teeth.
It's not easy to turn over with a 1/2" ratchet, so I'm afraid there's no way I'm going to see concentricity. (runout)
I have a couple of mag base indicators I could use and crawl back under to check the numbers every few degrees.
I'll do that after it warms up tomorrow.
I didn't forget what you said about end play in the crank. I'll try to get my wife to help with the clutch tomorrow.
I did rotate the crank one full revolution and saw no flat spots or missing teeth.
It's not easy to turn over with a 1/2" ratchet, so I'm afraid there's no way I'm going to see concentricity. (runout)
I have a couple of mag base indicators I could use and crawl back under to check the numbers every few degrees.
I'll do that after it warms up tomorrow.
Two things, I know it's getting late, but what about end play in the crank or runout on the ring gear? Everything in the pictures points to something crashing or chipping the starter pinion. Tomorrow, if it is light enough when you get home, try turning the engine with a wrench so you can look at all of the ring gear for any obvious signs of damage or wobble and see if you can tell if the crank moves when the clutch is pushed in.
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pedant
Joined: Jan 2008
Posts: 23,576
Likes: 38
From: EXTREME southwest CT
With the PMGR starters there is a difference between automatic and standard transmissions.
The snout projects quite a bit more for the flexplate.
The old "see-saw" style starters don't play well with the positioning of the ZF bellhousing, but are fine with the flexplate.
Yes, it snapped the whole dome off of the starter where the outboard bearing supports the bendix shaft.
The snout projects quite a bit more for the flexplate.
The old "see-saw" style starters don't play well with the positioning of the ZF bellhousing, but are fine with the flexplate.
Yes, it snapped the whole dome off of the starter where the outboard bearing supports the bendix shaft.
If there is adifference in tooth count for application this is going to cause the wear and damage discussed. Improper gear timing is going to thrust the pinion gear outwards to the opposite side of where it mates to the ring gear.
When you say "breaks the snout off" . Do you mean the actual starter case where it is semi domed?
When you say "breaks the snout off" . Do you mean the actual starter case where it is semi domed?
FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
Yup,
I didn't forget what you said about end play in the crank. I'll try to get my wife to help with the clutch tomorrow.
I did rotate the crank one full revolution and saw no flat spots or missing teeth.
It's not easy to turn over with a 1/2" ratchet, so I'm afraid there's no way I'm going to see concentricity. (runout)
I have a couple of mag base indicators I could use and crawl back under to check the numbers every few degrees.
I'll do that after it warms up tomorrow.
I didn't forget what you said about end play in the crank. I'll try to get my wife to help with the clutch tomorrow.
I did rotate the crank one full revolution and saw no flat spots or missing teeth.
It's not easy to turn over with a 1/2" ratchet, so I'm afraid there's no way I'm going to see concentricity. (runout)
I have a couple of mag base indicators I could use and crawl back under to check the numbers every few degrees.
I'll do that after it warms up tomorrow.
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 38
From: EXTREME southwest CT
Yes, it is the ring gear that's of concern Gary. 
I would like to see if the plate is flat -and- if the ring gear is concentric with the crankshaft centerline.
The thing came as a unit (ring already mounted on flywheel)
It's a service replacement part, not like you would buy individually at the dealer.
I would like to see if the plate is flat -and- if the ring gear is concentric with the crankshaft centerline.
The thing came as a unit (ring already mounted on flywheel)
It's a service replacement part, not like you would buy individually at the dealer.
Old School Hot Rodder
Joined: Feb 2006
Posts: 6,472
Likes: 11
From: Exmore, VA
Starter
Yup,
I didn't forget what you said about end play in the crank. I'll try to get my wife to help with the clutch tomorrow.
I did rotate the crank one full revolution and saw no flat spots or missing teeth.
It's not easy to turn over with a 1/2" ratchet, so I'm afraid there's no way I'm going to see concentricity. (runout)
I have a couple of mag base indicators I could use and crawl back under to check the numbers every few degrees.
I'll do that after it warms up tomorrow.
I didn't forget what you said about end play in the crank. I'll try to get my wife to help with the clutch tomorrow.
I did rotate the crank one full revolution and saw no flat spots or missing teeth.
It's not easy to turn over with a 1/2" ratchet, so I'm afraid there's no way I'm going to see concentricity. (runout)
I have a couple of mag base indicators I could use and crawl back under to check the numbers every few degrees.
I'll do that after it warms up tomorrow.
pedant
Joined: Jan 2008
Posts: 23,576
Likes: 38
From: EXTREME southwest CT
My Snap-on ratchet is as long as my breaker bar.
I can turn the engine over...
I just can't be in a position to turn the crank AND watch the ring gear through the starter hole.
So, I suppose I need to just indicate it and check every few degrees.
I can turn the engine over...
I just can't be in a position to turn the crank AND watch the ring gear through the starter hole.
So, I suppose I need to just indicate it and check every few degrees.
FTE Legend
Joined: Jul 2010
Posts: 32,875
Likes: 48
From: Northeast, OK
Ahhhh! Dawn! Marblehead! Your tranny is still on. Duh!!
I'm thinking "What's the prob? Just put that ratchet on the back end of the crank, pull, and watch the indicator." Yes, that would be a bit more difficult. Guess the idea of looking every few degrees is the best bet.
I'm thinking "What's the prob? Just put that ratchet on the back end of the crank, pull, and watch the indicator." Yes, that would be a bit more difficult. Guess the idea of looking every few degrees is the best bet.
Posting Guru
Joined: Aug 2009
Posts: 2,271
Likes: 2
From: Mexia, TX
I've been playing guess-that-sound all weekend...
For a little less than a week I've been hearing a sort of growling/roaring noise (it's gotten louder lately) at about 30mph and it gets worse at about 60. It makes a loud roaring if I'm slowing down from about 40 til I stop.
I've dropped it in neutral and killed the motor and it makes the roaring noise slowing down whether or not the engine is running.
I checked the transmission fluid...level is fine but saw some blackish colored stuff in it. Seen it in the past but it comes and goes.
Checked front wheel bearings...they're fine. No noise.
Need to check u-joints...checked for play last week and they are snug. They're about 8 years old though so it couldn't hurt to pull the driveshaft and check movement. They're not hot after a drove though.
Checked axle fluid level...it's fine. I have noticed a nasty pop sometimes when I go from reverse to drive and I suspect the axle but I'm also wondering if it could be a result of a bad trans mount pad...
I need to stop parking around Chevys....
For a little less than a week I've been hearing a sort of growling/roaring noise (it's gotten louder lately) at about 30mph and it gets worse at about 60. It makes a loud roaring if I'm slowing down from about 40 til I stop.
I've dropped it in neutral and killed the motor and it makes the roaring noise slowing down whether or not the engine is running.
I checked the transmission fluid...level is fine but saw some blackish colored stuff in it. Seen it in the past but it comes and goes.
Checked front wheel bearings...they're fine. No noise.
Need to check u-joints...checked for play last week and they are snug. They're about 8 years old though so it couldn't hurt to pull the driveshaft and check movement. They're not hot after a drove though.
Checked axle fluid level...it's fine. I have noticed a nasty pop sometimes when I go from reverse to drive and I suspect the axle but I'm also wondering if it could be a result of a bad trans mount pad...
I need to stop parking around Chevys....