Thread: Discovery 4 hesitation

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The car came back from land rover trying to nut out the problem, they found a leaking o-ring in the throttle butterfly pipe. The car hasn't done it since BUT i have not driven it much either. so finger crossed.

Those damn o-rings. I had endless issues with them and yes, my car has definitely performed better since that was sorted. It also keeps all the intake oil in the intake and not all over the engine.

Originally Posted by DiscoJeffster

Those damn o-rings. I had endless issues with them and yes, my car has definitely performed better since that was sorted. It also keeps all the intake oil in the intake and not all over the engine.

Not to mention keeps the air pressure where it should be. Replaced all 3 o rings, still looking for a way to keep the throttle body one in its place.

Originally Posted by Eric SDV6SE

Not to mention keeps the air pressure where it should be. Replaced all 3 o rings, still looking for a way to keep the throttle body one in its place.

Well yeah, which is why some of the hesitation is sorted. Go and see Nick at Dovers. Dovers fixed mine up perfectly and it’s not leaked or moved since. There is some plastic that needs grinding off to stop it clashing and not seating correctly (there is supposedly a TSB for that according to Nick).