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Unread 05-25-2009   #1 (permalink)
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Default 1986 Mustang SVO auxiliary shaft.

I have an auxiliary shaft that has two damaged teeth on the gear. I am wondering if anyone has had to do this repair. My shop manual is not clear on whether you have to drop the oil pan to complete the repair. I had to leave the car at my brother’s house which is 3 hour drive away. I have three 2.3 turbo parts engines equally far away in the opposite direction. Obviously, I do not have the car or the engines here to look at. I plan on replacing the auxiliary shaft and I am trying to determine if this is a repair which will require a lift or an engine hoist. Does anyone know if a used auxiliary shaft will be ok to put in it? I would replace the shaft seal, auxiliary shaft bearings, and the distributor gear with new parts. If this repair is going to require more than a day or more tools than i can carry in my 95 gt down there, i might break down and send it to a repair shop. Also, if a new auxiliary shaft needs to be purchased, does anyone know where to get a good price? The only one I have been able to locate on the net so far is Search Results auxiliary shaft
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Unread 05-25-2009   #2 (permalink)
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is that the teeth to drive the dist. or the teeth that drive the belt?
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Unread 05-25-2009   #3 (permalink)
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It's the teeth that drive the distributor. both the gear on the distributor and the auxiliary shaft inside the engine are damaged.
I replaced the distributor and drove the car for about 15 miles and pulled out the new distrubutor and checked it and its wearing the new distributors gear down pretty quick.
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Unread 05-26-2009   #4 (permalink)
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Sounds like at sometime or another someone has installed a high pressure oil pump and it is eating up the gears.
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Unread 05-26-2009   #5 (permalink)
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I really don't think it's an oil pump. I just got the car and it has cat back exhaust and k&n air filter are the only mods. I've been told this is a common problem on 2.3L with or without turbo.
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Unread 05-27-2009   #6 (permalink)
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So you have owned the car since new? If not, someone could have done work to the car before you have owned it.
I am just relaying common information on what normally eats up these gears as you have explained it.

The only other recommendation I would have is to get a new matching Aux shaft and distributor gear and see where things go from there. Stock replacement auto store parts should work fine. In addition, many 2.3s have lasted just fine on the OEM ones. Ford still carries these, but I cannot provide the cost of them.
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Unread 05-27-2009   #7 (permalink)
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Ford sells it for 109$ I am having a hard time finding bearings. Have not looked for gaskets and seals. I bought the car last week and the guy I bought it from was not very mechanically inclined. He was the second owner and bought it with 55k on it. It now has only 98. I think it's all stock and suspect the reason it was such a good deal is because he did not want to go that deep into the motor. Is there a way to do this repair without pulling the motor? I've been told that cam bearing installation tool is too big to be used on the engine while in the car unless you pull radiator, condensor and front bumper. I know it is a BETTER idea to pull the pan and clean it out but I can't where the car is now because it's 200 miles from home. I need to get the shaft in it so I can bring it home and work on it here.
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Unread 01-24-2011   #8 (permalink)
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I have the same problem with a 2.3L turbo in a 88 t-bird. What is the part number they gave you for aux shaft?
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Unread 01-24-2011   #9 (permalink)
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If it is that far away. Rent a dolly. Around 50 bucks. Cheaper if rent it and return it to same place over a weekend. That is what I did. I am with Navy. Pull the pan. Probably easier to pull motor etc. The metal shaving, teeth went somewhere. Change the oil pump. Maybe has funk in pan. I had a 2.3t in a 100 dollar car that ate the distributor shaft. Torn it down and it had a 1/2 of funk in pan. Maurice
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Unread 01-26-2011   #10 (permalink)
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Welcome to the world of 2.3 FORDS. Head gaskets Dizzy gears and aux shaft failure. Once the gears fail its mandatory to remove the pan and get the junk out. You will need a new shaft and gear. I would use a billet shaft and a bronze gear. The shaft is expensive but worth it. Other than that a new shaft is available from ford. The dizzy gear is only available from a parts store. This is one of the reasons that heavy oils should not be used in a 2.3 Ford. Never use anything heavier than a 10-30 in the winter and 15-40 in the summer. Also always worm up the engine sufficiently before starting out. I have a mod for the dizzy that supplies full oil preasure spray on the dizzy gear. Peace Tom
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Unread 01-26-2011   #11 (permalink)
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I guess that is reason I have had no problems. My cars get about a 5 minute warm up. They say it is a waste. But constantly get 180,000 to 287,000 miles out of our Ford service trucks. None using oil and very minor breakdown. Maurice
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Unread 01-26-2011   #12 (permalink)
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Yes maurice its definately a plus. Not only that it gets everything wormed up like the tranny and the engine oil. The 2.3 is a killer on those aux shafts and gear. Peace tom
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