Please forgive my ignorance when it comes to this engine, or any for that matter. I purchased the Moyer shop manual and it has gone missing, so I am back to asking questions online. The A4 is overheating. I have removed and cleaned the heat exchanger. Didn't help. Next I will check the impellers which haven't been replaced in at least two years. Why not, you ask? because I have NO idea where they are! I have been told that there are separate impellers for raw and fresh water. I'm assuming they are in a housing on the block where the water intakes are, but before I start ripping things apart, I'd like to know for sure. It seems like I am getting a good amount of raw water out the exhaust, so I'll start with the fresh water.
If that doesn't pan out, I'll check the thermostat. Which means I'll remove it and try it without. In that case, can I use an adhesive type liquid gasket to test it? And when I figure things out, will I need a specific gasket to replace it, or are there universal ones out there?
At normal running rpms, the motor will jump to 200 in under 5 minutes, if thats any help.
Thanks!
Alex
If that doesn't pan out, I'll check the thermostat. Which means I'll remove it and try it without. In that case, can I use an adhesive type liquid gasket to test it? And when I figure things out, will I need a specific gasket to replace it, or are there universal ones out there?
At normal running rpms, the motor will jump to 200 in under 5 minutes, if thats any help.
Thanks!
Alex
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