Recent content by chewbacca

Agree Absolutely no harm trying a new seal on and like you've said it's not going to sink the boat but the volvo seal does need to be greased using the straw method. My understanding is the outer rearmost seal is lubricated by seawater along with the supporting bearing portion and the grease...

Agree it does look badly pitted aft,not so much so where the seal is sitting, hard to tell from a photograph exactly you'll have a better idea and judge for yourself, it really has to be a polished unblemished surface. Is there enough in the coupling to push it out to the rear?If you decide to...

If the shaft is worn where the seal sits move it inboard slightly so the seal sits on fresh metal. I've found the volvo seals to be highly reliable and as long as they're lubricated, once a year, they perform very well. As mentioned measure the shaft to make sure if it's 1"or 25mm and if it's a...

I agree with VicS more likely to be selector related than gearbox

Has any work been carried out on the gearbox? I only ask as the setup for the gear selector is important. The correct number of shims is important or you won't get selection . It's easy to misplace one without realising you've lost one. If it has not been apart then this won't apply. The dog...

Not specifically your engine but I commented on similar issues on the 2000 series of engines.Search volvo penta 2003 or 2001 crankshaft seal (rear) I would suspect the issues are the same, if the crank does not have a mirror like finish without any blemishes it is probably still leaking due to...

The thermostat housing and the thermostat housing with stat in place just for interest

Not from a 2003 but a 2001 raw water cooled engine I'm assuming identical to your 2003.

If youre doing the crank oil seal (100x80x13 R23 Viton) you would be as well doing the o rings at the same time, having said that I reused mine. Check that the crank is not scored or marked, if it is you can move the seal in the flywheel casing so as the oil seal bears on a different section. If...

Correct, it wont. You are effectively mimicking the operation of the oil pressure switch when oil pressure is reached. If for any reason, as you stated, there is a lack of oil pressure the wire from the oil pressure switch earths down through the sender completing the circuit and operating the...

If its a single wire oil pressure switch it earths through the body of the switch, you short the wire to earth it should sound. N/C switch so when pressure is present switch opens and extingushes alarm, having said that my panel operates identically to yours key on 3 lights no sounder even from...

Yes youre right result of a leaking oil seal is the oil in the casing hopefully its just the o ring

The crankshaft surface doesnt look good. If in fact the o ring is missing then the leak is from there but it would be a big leak not a dribble. There is room to shift the oil seal within the casing so if the shaft is scored the oil seal can be moved If it has been dribbling after the rebuild and...

Finally the camshaft o ring

The rear of the flywheel casing. The o ring sits on a machined face around the oil seal. Top right just partly showing on photo is the machined surface for the camshaft o ring to sit against. So large o ring seals off crank and little o ring seals off camshaft.