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We are traveling New England and are experiencing very high pressure on starboard transmission. We have ruled out the senders and have a mechanical gauge on the transmission. We have spun the filter and we have had very limited success with ZF due to holiday. My guess is the pressure is reading in...

When checking the oil on my ZF Transmissions should they be checked while the engine is running or when the engine is off? When I check them cold oil level is above the high mark, when running its below the low mark. I'm not sure which is correct or if they need to be checked hot and off? I read...

I am familiar with how zinc anodes work to protect your metals by sacrificing themselves. However, I have long been told that by putting a large hunk of zinc in the water by your boat, it would help fight the electricity being sprayed into the water by a neighboring boat or the docks. My...

Hi I just checked the zinc anode in the raw water side entrance to the heat exchanger and when I removed the plug nothing came out with it. The hole appeared plugged with wasted remnants of the zinc anode. When I poked it a bit it cleared and some water escaped out. Guess this was left unchecked...

Found this rather interesting for some quick cursory info, or easy reference. ws http://www.boatzincs.com/corrosion-reference-electrode.html

Got myself a zinc Grouper...but where's a good atachment point on a 53my that is clsoe enough to the water so that the cable will actually be long enough to get it in the water? I know it should be atached to something connected to the bonding system...but for the life of me, I can't think of...

Quick question... Started doing my own zincs in my (new to me) 8V71TI's. I was told there is two in the heat exchanger, one in the raw water pump, and one in the trans-oil cooler. I easily located the two in the exchanger and one in the raw water pump, but the trans-oil cooler is built into the...

Hi all, sorry if this was covered before, but I couldn't find it online or in my documentation anywhere. I know I have 3 zinc locations on my 12v71s (one in the rear over the impeller, and two on the sleeves that wrap around the fresh water tank). However, I'm off the impression that there is...

Seem to be replacing my zincs(drive shaft, trim tab, etc) about every six months, Is this normal? the bottom cleaning guy tells me when i need to replace them and he says it's time again. it just seems very soon, i don't know if the guy is ripping me off because I don't dive down there my self and...