AT REST
SubscriberYep - the squarish one held on by two small bolts and with three small hoses connected - one at bottom and other two at right angles on top - and a two pin electrical connection on the bottom.
Part No. for 2001 Disco is PMX 100130
Roger
Sorry for hassling ya's but which one is which, pics are too small for me too see. roundish one in bottom pic is ...?. Anyone got bigger pics of them please, as I have a thin film of oil around mine and am wondering whether mine needs changing as I have slight similar issues up hills etcOriginally Posted by twr7cx
Can anyone confirm that this is the modulator:
And this is the actuator:
I have been told about $48.00 for a new modulator.
Thanks Steve
Swaggie
SubscriberThat's the wastegate actuator.
The modulator is square and is just behind the air con and has 3 hoses running off it.
Last edited by Redback; 6th April 2011 at 08:01 AM. Reason: I'm a dumb arse and left a word out
Cheers Baz.
2011 Discovery 4 SE 2.7L Kerrys
1990 Perentie FFR EX Aust Army
1967 Series IIa 109 (Farm Truck)
2007 BMW R1200GS
1979 BMW R80/7 (Scrambler project)
1983 BMW R100TIC Ex ACT Police
1994 Yamaha XT225 Serow, Kerrys
YarnMaster
SupporterThe round one sitting on the top of the turbo is the actuator for the wastegate. When the modulator allows pressure through, and when there is enough pressure, it pushes on an internal diaphram and pushes the rod out which pushes the lever that it's connected to which opens the wastegate allowing some of the exhaust gases to by pass the exhaust turbine wheel in effect slowing down the turbo internal RPM.
I don't know why it would get oil around it, unless there is oil in your air intake that is getting up there through the air lines. Or perhaps if one of the oil lines to the turbo is leaking.
Thanks for the replies I'll check the hoses on/around it.
Cheers Steve
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