I have a Catalina 30 w/ a Univ. 25xp engine. On the engine spec. sheet it lists two different types of trans. oil for it. How can I find out what type mine has in it as it states NOT TO MIX DIFFERENT TYPES OF OIL TO USE (2). any help will be appreciated, Thanks, Rick
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Transmission Fluid
Rick It's either Ford Type A or Dexron II, if I remember correctly. You don't necessarily need to find out what kind you have, because what you really need to do is completly remove the old fluid and replace with new. I do not know if Ford is made anymore, so you should easily be able to get the Dexron. Don't remove the old fluid from underneath the Hurth transmission housing, because the bolt there is stainless steel into an aluminum housing, which causes corrosion and will mosty likely start leaking if you try to replace it. You'll need to get a small hand pump or a turkey baster or syringe and tubing to suck it out of the top, where the dipstick is located. Remove the dipstick, that's your only access. Suck it all out and then refill with new fluid. Make sure you only fill it up to the line on the dipstick. It doesn't look like a lot since the mark on the dipstick is very low, but it is what is required. Some other info: GM Dextron is their brand name equivalent to AFT A. Dextron III is the only thing that's currently available and has replaced Dextron II. It's an improvement of Dextron II better high temperature and lubricity) and should replace it directly for all applications. Transmission Check. Spring is a good time to drain and refill with new fluid. This should be done annually. Insure the new DEXRON III fluid is up to the mark on the dipstick. The dipstick should be unscrewed and just sitting in the hole. If you err, be on the high (over full) side. When you have the dipstick out, make sure the two vent holes are clear. One is in the top of the stick on the side just under the threads. The other MOST IMPORTANT is in the side of the hex nut head. Blow in the bottom of the tube to make sure BOTH are free and clear. If you have trouble seeing the fluid on the stick, try FA’s trick. Roll the “wet” tube on a clean paper towel and note the stain on the towel in relation to the mark on the tube. When you replace the dipstick, make sure the aluminum washer is in place and just snug the dipstick. Over tighten and you may strip the female threads on the transmission case. NEVER assume that the “yard” checked and all is OK. One of our members did that and ran the transmission dry. That was a $1200+ labor - $$ mistake! Stu
Rick It's either Ford Type A or Dexron II, if I remember correctly. You don't necessarily need to find out what kind you have, because what you really need to do is completly remove the old fluid and replace with new. I do not know if Ford is made anymore, so you should easily be able to get the Dexron. Don't remove the old fluid from underneath the Hurth transmission housing, because the bolt there is stainless steel into an aluminum housing, which causes corrosion and will mosty likely start leaking if you try to replace it. You'll need to get a small hand pump or a turkey baster or syringe and tubing to suck it out of the top, where the dipstick is located. Remove the dipstick, that's your only access. Suck it all out and then refill with new fluid. Make sure you only fill it up to the line on the dipstick. It doesn't look like a lot since the mark on the dipstick is very low, but it is what is required. Some other info: GM Dextron is their brand name equivalent to AFT A. Dextron III is the only thing that's currently available and has replaced Dextron II. It's an improvement of Dextron II better high temperature and lubricity) and should replace it directly for all applications. Transmission Check. Spring is a good time to drain and refill with new fluid. This should be done annually. Insure the new DEXRON III fluid is up to the mark on the dipstick. The dipstick should be unscrewed and just sitting in the hole. If you err, be on the high (over full) side. When you have the dipstick out, make sure the two vent holes are clear. One is in the top of the stick on the side just under the threads. The other MOST IMPORTANT is in the side of the hex nut head. Blow in the bottom of the tube to make sure BOTH are free and clear. If you have trouble seeing the fluid on the stick, try FA’s trick. Roll the “wet” tube on a clean paper towel and note the stain on the towel in relation to the mark on the tube. When you replace the dipstick, make sure the aluminum washer is in place and just snug the dipstick. Over tighten and you may strip the female threads on the transmission case. NEVER assume that the “yard” checked and all is OK. One of our members did that and ran the transmission dry. That was a $1200+ labor - $$ mistake! Stu
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