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4-speed tranny leaking
I have a '72 Mach 1 which at some point in it's life had the
engine(and perhaps transmission) replaced with a 302. I noticed some dripping under the car, so when I went under I saw drops of oil where the driveshaft goes into the transmission. The oilpan seems to be dry on the outside, so I suspect the transmission is leaking. I bought some 80-90w oil and put almost a quart in the transmission before it got full. Is this transmission worth fixing? It seems to work, although it's a pain to get in and out of reverse. I don't really have many tools beyond a socket set right now; and I'm assuming I'd need to pull the engine to get the transmission out? Would I be better served to try to find a used transmission and just swap them out? One other thing, I noticed that when the engine revs up over 3000 I hear a screeching sound. Below 3000rpm I don't notice it. Doesn't matter what gear I'm in, it does it even with the clutch in. Could it be just a belt? Water pump? Or something worse? Thanks, Neil |
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#2
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4-speed tranny leaking
In article .com>, neildomo wrote:
> I have a '72 Mach 1 which at some point in it's life had the > engine(and perhaps transmission) replaced with a 302. I noticed some > dripping under the car, so when I went under I saw drops of oil where > the driveshaft goes into the transmission. Tailshaft seal. If it can be replaced from the outside of the trans it will be a simple repair. If the trans has to be pulled, it's still pretty easy to take care of. > One other thing, I noticed that when the engine revs up over 3000 I > hear a screeching sound. Below 3000rpm I don't notice it. Doesn't > matter what gear I'm in, it does it even with the clutch in. Could it > be just a belt? Water pump? Or something worse? Where is it coming from? sounds like a bearing somewhere. |
#3
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4-speed tranny leaking
"neildomo" wrote :
>I have a '72 Mach 1 which at some point in it's life had the > engine(and perhaps transmission) replaced with a 302. I noticed some > dripping under the car, so when I went under I saw drops of oil where > the driveshaft goes into the transmission. The oilpan seems to be dry > on the outside, so I suspect the transmission is leaking. I bought > some 80-90w oil and put almost a quart in the transmission before it > got full. Is this transmission worth fixing? It seems to work, > although it's a pain to get in and out of reverse. I don't really have > many tools beyond a socket set right now; and I'm assuming I'd need to > pull the engine to get the transmission out? Would I be better served > to try to find a used transmission and just swap them out? > > One other thing, I noticed that when the engine revs up over 3000 I > hear a screeching sound. Below 3000rpm I don't notice it. Doesn't > matter what gear I'm in, it does it even with the clutch in. Could it > be just a belt? Water pump? Or something worse? > > Thanks, > Neil Fixing the leak is easy. Just remove driveshaft, pop the leaking seal out with a fairly large screwdriver and reinstall a new one, with a hammer.Then reinstall the driveshaft. Depending on your mechanical ability, you should be able to complete this in about a half hour or less. The screeching noise you hear is a loose or worn fan belt. 66StangMan |
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