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need help: metal "ting" every time engage fwd., re


Guest Anonymous

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Guest Anonymous

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i am stumped on this: equipment: 245 5 speed, standard installation, short shift kit, shift bushings, etc, all look good, new 228 clutch, TO bearing, resurfaced flywheel, hell: everything is new from engine install this month. Drive shaft was reinstalled correctly. No vibrations when under power from shaft. The symptoms= put Inka car in 1st, let off clutch, car starts to move and there is 1 "ting": metal hitting metal, one time, sharp. Same when engage reverse. Does not happen for subsequent shifts. Does not happen when car is on the lift: we put it in the air and i stayed in it and went through the process. no noise. Cannot see any contact evidence, guibo is new and good, center bearing is new-ish and good, shift platform is all solidly bolted., tranny spoort is solid, not exhaust realted- something drivetrain., half shafts need the spacer: could it be half shaft stuff? it sounds like it is further forward on the car.... Drive shaft turns freely when in air without contact, by hand, and as described under power. What could be changed in the drivetrain when the car is back down on the ground and the static weight is back. noone is willing to strap themselves to the underside of the car while i drive it in forward and reverse to look for contact... cant figure out why they are reluctant, lol. dont want to cut view ports in the floor .... could the drive shaft be "bent"??? need help on this symptom doctors. Thanks.

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Guest Anonymous

If you can confirm the driveshaft as the source, then you can assume that it is "tinging" under initial load in forward or reverse. Since it doesn't happen on a lift with the wheels "free," then it must be related to the amount of torque exerted on the drive shaft under load. That being the case, I still think it may be related to the center bearing...especially because it's not new. Guibos don't really show wear. They either work or they don't. Older ones may get a bit looser, causing the driveshaft to move a bit more under intital loading. I think that's what might be the problem.

To check it, remove the bolts and shim the flanges downward 1/8" to 3/16". Reset the preload. This will alter the drive shaft angle a wee bit and may possibly cure the "ting" sound.

Delia Wolfe

'73tii

Inka (aka "Orange Julius")

#2762756

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Guest Anonymous

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It could be a problem with the clutch disc itself even though it is new. Obviously this is all speculation until you pull it apart to see, but it sounds like maybe one of the springs on the clutch disc is "popping" whenever you move forward or reverse under a load. A CV joint won't make such a pronounced "ting" noise like you describe it will click but not "ting"

It may not happen when you are already rolling because there isn't the initial load put on it like engaging from a stopped position.

Thats my guess .... who knows until it comes apart is the real answer.

Brian C

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Guest Anonymous

joint in the driveshaft, diff input flange, brake drum hubs to stub axles - if there's a loose splined joint, there can be slight movement between the male and female halves of the splined joint that causes a "ting" noise when the splines rotate in the opposite direction and make contact.

Had similiar symptoms on a wire wheel MGB - ultimately traced it to worn hub splines that were letting the wheels rotate slightly on their splined hubs - would make a similar noise every time I accellerated or braked.

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Guest Anonymous

If you can confirm the driveshaft as the source, then you can assume that it is "tinging" under initial load in forward or reverse. Since it doesn't happen on a lift with the wheels "free," then it must be related to the amount of torque exerted on the drive shaft under load. That being the case, I still think it may be related to the center bearing...especially because it's not new. Guibos don't really show wear. They either work or they don't. Older ones may get a bit looser, causing the driveshaft to move a bit more under intital loading. I think that's what might be the problem.

To check it, remove the bolts and shim the flanges downward 1/8" to 3/16". Reset the preload. This will alter the drive shaft angle a wee bit and may possibly cure the "ting" sound.

Delia Wolfe

'73tii

Inka (aka "Orange Julius")

#2762756

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Guest Anonymous

Everytime I start off and let the clutch out it "tings." It has done it after the 5 speed install and also after putting new clutch in. Sounds to me like a spring "ting" either from the clutch plate spring or release bearing arm spring(retaining). Don't know but have lived with it for 3 years(hard driving). No problem. Sounds clutch related on mine.

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Guest Anonymous

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Same thing but I would descibe my noise more as a click noise like the noise a stone in the tire makes when it hits the pavement. Mine makes the noise after I come to a complete stop and start again in reverse or any time when the drive shaft changes directions from 1st to reverse. It also makes the noise when lefting off the gas in first. ?????????????????

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