
 Originally Posted by 
Defends
					 
				 
				Hi guys....I have a 300tdi I have been the carer for 17 years...about 385,000 KMS
Done pretty much all the work on her myself...but this has got me really stumped...hoping someone might have a idea
I have a noise ..hard to explain but sounds like a power steering pump whine/squeal / groan...fairly high pitched...seems to come from drivers side of engine...heres the thing....its ONLY > in 3rd at 80 KPH  > and in 4th/ 5th right on 95-100pkh...gets louder the more you try and put your foot down
so far I have
> replaced the brake servo and vaccum pump
> the Fan belt, idle pulley...
> the power steering pump...
> the fuel sender
> Fan centre mount thing ( the metal bit the fan blades go on)
> changed the oil and oil filter
> fuel filter
The noise appears about 3000 -3200 rpm..get louder..if you put your foot down..Im going to swap out the fuel lift pump tomorrow...> I thinking injector pump now???? > anyone had something similar > WHAT WAS IT?
The turbo seems to spin up fine...the rest of the drive train seems fine ( no noises under 80 kph anywhere(
( other than the normal squeaks ect)
oh...I cant seem to make it do it if its in neutral ..only happens if in gear as far as I can tell
Cheers fellas !
			
		 
	 
 Leaking turbo hose? I've had one do something similar under load in a Daihatsu Rocky years ago. Leaking just enough to make a noise but only under full boost and under certain conditions.
Regards
Tote
				
			 
			
		 
			
				
			
			
				Go home, your igloo is on fire....
2014 Chile Red  L494 RRS Autobiography Supercharged
MY2016 Aintree Green Defender 130 Cab Chassis
1957 Series 1 107 ute - In pieces
1974 F250 Highboy - Very rusty project 
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