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Type: Posts; User: WESTFORD

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  1. Replies
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    D4 260 A-C Advice required please

    Engine year 2009 fitted in Cranchi Zaffiro 36, private use only. Starboard engine has just been extensively stripped, injectors checked/cleaned etc by spe******t co. All other coolers etc refurbed....
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    Volvo injectors D4 260

    Have just installed new fuel sensor starboard engine, but engine goes into governed mode at 2000rpm with alarm on.
    Is it possible injectors may be faulty or fuel pump. How easy is it to swap...
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    Re: D4 260 starboard overheating

    Hi Aliboy,
    Thanks for all your help and advice. When our boat is lifted out January-February time for annual service and anti-fouling we may well send both heat exchangers for a professional clean,...
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    Re: D4 260 starboard overheating

    Hi everyone - Sorry for the delay in updating. A few days ago the starboard air cooler and heat exchanger were cleaned with acid as described by Ian 172. Managed to take the boat out for a test...
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    Re: D4 260 starboard overheating

    Hi aliboy & Ian172,
    Thanks for the additional info. Have now located the heat exchanger and will try Ians method for descaling it and the air cooler at the same time.
    The mechanic has already...
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    Re: D4 260 starboard overheating

    Hi Ian, Thanks for the link. Have now discovered why mine is different to the heat exchangers that I had previously been looking at on this site It is called 'charge air cooler' and precisely...
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    Re: D4 260 starboard overheating

    Hi Ian, our model number for the engines is D4 260 A-C and they are approx 3 years old.
    What model number and age are your engines?? I think your heat exchanger must be in a different position to...
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    Re: D4 260 starboard overheating

    great news Ian172
    I replaced the elbo today took out for sea trial still the same ok till we get to 3000 revs then goes from 85 to 93 degrees Did you take the heatexchanger off the boat or did...
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    Re: D4 260 starboard overheating

    Have now taken the boat out for sea trial. Took laser thermometer to check. Ran boat at just over 3000 revs and temperature immediately shot up to 91 then increased to 94-95. Throttled back, raised...
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    Re: D4 260 starboard overheating

    Aliboy, thanks for all your suggestions, a lot of which we have already tried, but have noted the others.
    Have now checked, at 85 deg, with laser thermometer places indicated on both engines and...
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    Re: D4 260 starboard overheating

    Thanks for your input stringer bell. Will locate infrared handheld laser thermometer and ask local engineers to check the things you have suggested.
    Things which have already been checked are:...
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    Re: D4 260 starboard overheating

    Hi Ian Done sea test and still have same problem,ours was done in situ, now going to test thermostats will let you know results Westford
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    Re: D4 260 starboard overheating

    Dear Ian172,
    Thanks for the reply. We are going through an elimination process at the moment. Previously have had the black plastic elbows on sterndrives
    changed as one was cracked,( you need to...
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    D4 260 starboard overheating

    Am having sudden temperature increase on one engine, showing both on digital display (EVC) and temp gauge from normal 85 deg to 91-93deg when at 3000rpm. Within seconds this temperature drops...
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