A FEW ENGINE Qs!!
(1) what is the recommended oil weight and is there one particular brand that is recommended ?? (2) wanna change my fuel filter but not entirely sure of procedure ! any give me a step bt step how to ( nice pics if poss!!) (3) how much would i be looking at to get my pump timing checked/looked over etc ? long job /short job ??? worth getting injectors done at same time? done 66k but ive put a bottle of FORTEs thr' when the tank was 1/4 full and have lobbed in a few bottles of STP over last few tank fills. cheers elvis
Nope Elvis,
Per merc maint book there are a whole range of oils, grade wise, temp and condition dependent, and these engines are reputed for their longivity, so anything other than complete rubbish should be fine.
Fuel filter is dead straight forward, spin off after slackening nut on top and spin new one on after filling new filter with duty paid diesel of course. He He.
No comments on the inj pump except that I understand that one can advance the timing until they just tinkle.
Marcus
Once replaced the filter, you may need to purge the air in the system.
There is a manual pump adjacent to the Bosch injection pump. To operate it, you just need to unscrew the yellow round plastic top and then push-pull that bit until you get no more air but diesel coming out of the hole at the side of the manual pump (all thi, if my memeory serves me right).
As far as the enegine oil, for the temperature range in mainland Britain, a 15W40 mineral oil of good quality is more than adequate (I used to use the one sold at Halfords in the black plastic can), provided that you replace the oil filter together with the oil every 5,000 to 7,000 miles or at least once a year.
Cheers
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changed it all ok cheers! filled filter with fuel injector cleaner so didnt have to purge any air out!!