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Old 16 November 2014, 05:17   #1
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E-TEC fuel filters

So I suppose one of these years I ought to change the two engine fuel filters on my E-TEC....

I have a big Volvo filter by the tank (as fitted by Mannings) and there is also a filter on the engine. I have both for the service that ahem might have been due last year been rather a lot going on and regrettably little boat use.

Question: does the E-TEC have any major issues with getting airlocks/air in the fuel system, particularly if you change both filters at the same time, or is there some sort of vapour separator on the engine fuel system? I can obviously bleed it up to the primary filter with the primer bulb and the bleed screw on top of the filter body, and I've drained the primary several times before to confirm there's no muck in the bottom of it.

I'm slightly concerned about air in the system leading to a stoppage a few minutes after setting off and not really too sure if I need to bleed anything on the engine. I suspect it isn't a problem but could somebody confirm this for me?
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Old 16 November 2014, 06:52   #2
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Originally Posted by BogMonster View Post
So I suppose one of these years I ought to change the two engine fuel filters on my E-TEC....

I have a big Volvo filter by the tank (as fitted by Mannings) and there is also a filter on the engine. I have both for the service that ahem might have been due last year been rather a lot going on and regrettably little boat use.

Question: does the E-TEC have any major issues with getting airlocks/air in the fuel system, particularly if you change both filters at the same time, or is there some sort of vapour separator on the engine fuel system? I can obviously bleed it up to the primary filter with the primer bulb and the bleed screw on top of the filter body, and I've drained the primary several times before to confirm there's no muck in the bottom of it.

I'm slightly concerned about air in the system leading to a stoppage a few minutes after setting off and not really too sure if I need to bleed anything on the engine. I suspect it isn't a problem but could somebody confirm this for me?
The engine has a vapour separator, it's the round canister thingy on the back of the engine, it might have a yellow label on it that says "carter" or something similar. This also houses the HP fuel pump. No need to bleed/prime the system after changing the filter, just prime with the primer bulb as normal. Be careful when taking off the old filter, the housing is plastic & could break if you get rough. Also be careful of the water probes inside the filter, they are 2 fine wires that protrude down the centre of the filter from the top of the housing, make sure you are clear of them before you withdraw the filter.
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Old 17 November 2014, 17:50   #3
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Also bear in mind that there is always pressure in the system, there will be a bit of a squirt of petrol when you undo the filter.
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Old 18 November 2014, 04:55   #4
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Thanks, I thought it must have something. Maybe a job for the next wet weekend
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