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Re: Clunk in driveline
[Re: Tinman761]
#2263931
03/05/17 07:55 PM
03/05/17 07:55 PM
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Joined: Jan 2003
Posts: 7,548
Albany, NY
67SATisfaction
The member whose name is actually Art
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The member whose name is actually Art
Joined: Jan 2003
Posts: 7,548
Albany, NY
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Is it possible to post a video on moparts? If you upload to YouTube and create the video there, then paste the link here... - Art
65 Satellite hardtop 361/4bbl console 727 2.76
67 Satellite convert 383/2bbl column 727 3.23
67 Lancia Fulvia Sport 1.3 Zagato. Alloy body, 1.3L V4 DOHC 4-spd
67 Lancia Fulvia Rallye 1.3. Alloy panel, 1.3L V4 DOHC 4-spd
71 Alfa Romeo GT Junior 1300 Zagato, 1.3L 4cyl DOHC hemi 5-spd
82 Alfa Romeo GTV6 2.5L SOHC hemi V6 5-spd transaxle
75 Maserati Bora US spec 4.9L DOHC hemi V8 5-spd ZF
77 Maserati Khamsin Euro spec 4.9L DOHC hemi V8 5-spd ZF
07 Aston Martin DB9 6.0L DOHC V12 6spd transaxle
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Re: Clunk in driveline
[Re: Tinman761]
#2263941
03/05/17 08:12 PM
03/05/17 08:12 PM
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Joined: Jan 2003
Posts: 7,548
Albany, NY
67SATisfaction
The member whose name is actually Art
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The member whose name is actually Art
Joined: Jan 2003
Posts: 7,548
Albany, NY
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Something else I just discovered, while rotating the passenger side wheel back and forth I get some play before the drive will turn and hear gears meshing? Drivers side is not so pronounced. Is this normal? Trans is in neutral
If you are talking about the diff case, "play before the drive will turn and gears meshing" - then this sounds like what my diff felt like when I thoroughly checked my drivetrain for a clunking grinding sound this summer and nothing was wrong with the diff (my prob turned out to be the pass side rear wheel bearing, just FYI). As mentioned by someone above - If you grab the rear wheel and you can move it up/down or front/back, then you might have a bearing problem there, not related to your tailshaft noise. Best, - Art
65 Satellite hardtop 361/4bbl console 727 2.76
67 Satellite convert 383/2bbl column 727 3.23
67 Lancia Fulvia Sport 1.3 Zagato. Alloy body, 1.3L V4 DOHC 4-spd
67 Lancia Fulvia Rallye 1.3. Alloy panel, 1.3L V4 DOHC 4-spd
71 Alfa Romeo GT Junior 1300 Zagato, 1.3L 4cyl DOHC hemi 5-spd
82 Alfa Romeo GTV6 2.5L SOHC hemi V6 5-spd transaxle
75 Maserati Bora US spec 4.9L DOHC hemi V8 5-spd ZF
77 Maserati Khamsin Euro spec 4.9L DOHC hemi V8 5-spd ZF
07 Aston Martin DB9 6.0L DOHC V12 6spd transaxle
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Re: Clunk in driveline
[Re: 67SATisfaction]
#2264158
03/06/17 02:17 AM
03/06/17 02:17 AM
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Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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rear wheels off the ground/in neutral either bearhugging a wheel & rotating it forward and backward how much play are you estimating you are feeling/hearing in the rear end? further up .006-.010" was posted as a normal "backlash" dimention or just grab the pinion yoke by hand & rotate it back & forth. Up front I ain't a tranny guy but I would do the same thing & others will advise further & didn't we cover checking the ext housing bushing wear? I ain't thinking the ujoint(s) are causing the clunking but if one or both of em are binding/not moving smoothly they will wear out fast (you said they were a bit tight but no looseness correct?) & then clunk. this might be a combo of the R&P backlash and something going on in the trans but from prior I'm leaning (barely) toward the trans. post that video with good sound & keep the ex noise out of it as much as you can.
live every 24 hour block of time like it's your last day on earth
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Re: Clunk in driveline
[Re: Tinman761]
#2264519
03/06/17 08:05 PM
03/06/17 08:05 PM
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Joined: Jan 2003
Posts: 10,945
Freeport IL USA
poorboy
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 10,945
Freeport IL USA
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With the car in the air, grab the front driveshaft yoke at the front u-joint and see if it will move up and down inside the trans end. Any up and down movement of the shaft inside trans is too much and indicates the tailshaft bushing is bad.
Onto the rear end. Hold, or have someone hold the tires from turning, trans in neutral, see how much the driveshaft can turn in both directions before it is stopped by the wheels. How much can it turn, total of both ways?
One more thing you need to check on the rear end. You stated you could hear a noise on one side of the car, On that side of the car, put a socket with a ratchet on the U bolts holding the axle to the rear end and see if the u bolts are loose. The torque on the u bolts is not very high, but the nuts should at least be snug and resistant to tightening. Looks u bolts will let the rear axle rock on the spring and give you a clunk. If they feel loose, look up the specs and torque all the nuts to spec on both sides.
Let us know what you find. Gene
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