Yeah, that looks like it would be bulletproof! But pricey.
I spoke to Eriksson again about cost of various parts that I need and here's the list w/ part numbers. Hopefully I won't need everything, but I'll know more after I tear the tranny down.
Most of this is what Phil already suggested and he already knew the needle roller bearing part number before I complete that sentence, lol.
He also recommended getting the F piston. This has a molded rubber surround and they often find they have to replace it.
He said to inspect the main pressure regulator bore in the valve body. Often a groove will be worn in it as a result of spending a lot of time cruising at the same speed (rpm), typically 2200 rpm. What will happen is when accelerating from that cruise and a downshift occurs, the pressure regulator piston will get stuck in the grove, and rather than maintain an oil pressure of about 200 psi, it will rise to 550 psi by 3000 rpm, which is not good for the transmission.
If there is a groove, Option 1 would be to replace the valve body at a cost of about $260, or the bore can be reamed out and a slightly larger main pressure valve piston can be fitted. The cost of the 2nd option is $125.
He also said to check that there is no crack in the valve body where the part number is stamped in it. If that is the case, that kind of dictates which option to take with the above mentioned issue.
Finally, on the 3 tools to release the clutch springs, I got a quote from a local metal fabrication shop. They would waterjet cut the 3 "rings" out of 1/2" steel and then use 1/2" round steel for the uprights and 1/2" by 3/4" for the cross member portion of the handles.
Cost would be $120 per tool ($360 total) and $5 extra per tool to have them powder coated black medium texture. I asked Eriksson about the cost of those tools from ZF and he laughed and said the cost would be much higher.
I'm wondering if there would be interest in having a small run of these tools made as the price would go down quite a bit since almost all the cost is in setup/labor, not the material cost (the 3 rings would all be concentrically cut from a single 1/2 stock).
I wish I could do metal work myself and make something up. I did pick up a shop press, so I just need some means of pressing those clutches down.
Once I get the assemblies out of the transmission, maybe I'll be able to figure out a way to get the clips out without those custom made tools?
03-28-2014, 12:03 PM
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