Get it on Testbook and watch cylinder compensation values,any cylinder with a positive value of more than 3 needs changing.
Very common,and another good reason not to bother with a BMW engine.Oh,and they can be a real git to remove.
The trick is preventative maintainance, a squirt of penetrating oil round the injectors regularly and they slide out beautifully when necessary.Yeah, I've heard some real horror stories about people having to scrap their heads because the injectors have totally "welded" themselves in.
The trick is preventative maintainance, a squirt of penetrating oil round the injectors regularly and they slide out beautifully when necessary.
The trick is preventative maintainance, a squirt of penetrating oil round the injectors regularly and they slide out beautifully when necessary.
Sorry if I'm wrong but I understand the reason for the injectors not to come out is the layer of crap/grit which is carbonised at the inside on the injector. Would giving it regularly a squirt of WD40, ON THE OUTSIDE, be able to remove/avoid this inside building up ?? In other words does the penetrating oil really help or is it just a coïncidence Dan's came out without a problem ??
A search will reveal unfortunate occasions when TD4 cylinder heads were scrapped due to damage caused whilst attempting to remove corroded injectors. A post by 'MING the merciless' some time ago showed that water dripping from leaking washer pipe connections and under bonnet condensation caused severe corrosion between the injectors and the cylinder head. A regular application of penetrating oil not WD40 around the injector bases solves the problem.
They have a big front window ? I'd only work one day a week at those rates.....Fixed at last, by independent Land Rover workshop. No. 3 injector shot, loom to fuel pressure sensor corroded - changed, fuel pressure sensor . Also changed engine breather filter ( can blow turbo seals ) and fuel filter. Cost £795 all in. Most I have spent on a vehicle since my Subaru Legacy blew the head gaskets. Must go and lie down now.
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