It Might Stall And Close Down As.

Appritiate the reply harry, sound is strongest around the turbo, top side towards the back of the engine. The air line from the turbo is used to filter the air and also assist in increasing the pump output. Still unsure if it's fixed or not, since i still have a similar whistle that goes away when boost gets over about 5 psi.

Wg Not In Check 5.

Usually a bellows or cac leak will affect boost at least a little. My 320d es has a grey/blue smoke problem and what i assume is a turbo whistle noise when between 1,500. 4 torque tubes on the overpriced aftermarket intakes and fab yourselves a nice 6 setup if you want good whistle through all rpms.

Any Ideas What Could Be Causing This?

This hose can get a crack and it will cause a whistle. For some people, a turbo whistle can be annoying, but to others, it’s actually desirable! Check the air supply line to the air pump.

Discussion Starter · #1 · Nov 22, 2012.

Get rid of the wimpy afe etc. If i unplugged the harness to the turbo's variable vane solenoid, the whistle would immediately. Turbo whistle on low rpms check your lower ic hoses for abnormal amounts of oil.

The Line Runs From The Intake Manifold To The Air Compressor.this Is Located Generally On The Curb Side Of The Engine.

2003 jetta tdi, it seems i can't hear the turbo whistle any more. I have already checked water pump and belt/pully idlers as you suggested. It's pretty much always whisteling.

drive from san jose to yosemite. Last night on my way home from work, i noticed a high pitch whistle or squeal and it got louder with rpms/throttle. 4 torque tubes on the overpriced aftermarket intakes and fab yourselves a nice 6 setup if you want good whistle through all rpms. Mine developed a very loud whistle at idle when the turbo inlet y pipe cracked. Turbo Whistle At Low Rpm.