Vehicle & Technical > Defender
Engine Ticking
Saffy:
yeah the vac pump on the 300tdi defender is bolted to the block below the air cleaner location (air cleaner bracket uses one of the pumps bolts).
The pump do make awful annoying noise when dying/dead. They are really a replacement new unit only though some ppl have done DIY repairs.
A very good way to find where noise is coming from is to use a listening rod. A length of wood like a broom handle, length of dowel, long screwdriver etc, hold one end pressed against your ear and the other you move around to different parts of the engine to find your noise .(being aware of moving parts :lol: )
Timbob:
Thanks for the advice, if it was that could it be related to the timing belt going? I was wondering how likely it would be for the guy who did the repairs to set the valve clearances incorrectly. He has a good reputation?
davidlandy:
sometimes a ticking sound can be the headgasket blown at the rear
Evilgoat:
--- Quote from: "Xtremeteam" ---it will be the vacum pump
--- End quote ---
LRs suffer from this too?!
Its an old, well known cause of odd ticking noised on most older audi engines. If the same holds true for LR as for audi, but a new part rather than a second hand one, it'll go again in months if you do (not that I've done it or anything)
Timbob:
Right, checked valve clearances, all ok. One of the springs between rocker gear was a bit slack so I bent it a bit tighter. Ticking still there. Have not got anything long enough yet to listen specifically to the vacuum pump. Godamnit. Haynes says piston ring, is this likely. No sign of head gasket failure. Yet. This is getting depressing. Again thanks all.
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