Turbo Roar? phase2 306 Dturbo.

When accelerating and the engine is doing around 2500 rpm i seem to
get a sudden increase in engine noise or if you like induction roar
but only when the engine is under load as soon as i ease off the
throttle enough to maintain speed the noise dies away could this be a
warning of turbo failure although pickup does not seem to have
changed.

 

I've got the same car with the same noise occuring, happens most when
accelerating hard up hills, etc, mainly in the low gears? I find this is
just induction roar as my car has done this for years, having now covered
150K and with no turbo probs. Engine feels like it will do another 150K,
cant say the same about the suspension though!! Hope this helps.

 

When was your last oil change?

 

Hi Marc

the car has recently been serviced about 100 miles or so and prior to
that about 9000 miles or so which is when i first accuired the car i
had it serviced for my own piece of mind at a friends garage.

 

I'm not to familiar ith the xud9TE lump in a 306
but with old oil, or the wrong kind ( 15w40 non synthetic)
a ratlle occurs in a xud as wel as in a dw10 lump when you put it
under load. this may be mistaken for a turbo roar wich is a nice sound
to me.

things to check though are
lose ducts before the turbo inlet
lose inlet manyfold ( gasket gone...)
is there an intecooler? check for leaks

all done whit co2 spray

check your Oil!! and use 0w30 full synthetic from shell.

 

Thanks to Marc and others who spent time to respond to my query

 

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Hi,

C'mon Marc, obiously there's an intercooler, as you said it's an XUD9TE, the
T says turbo, the E says Echangeur (abr. of Echangeur air/air, intercooler).

BTW the 1.9TD with no intercooler (XUD9T) developped 83HP, IIRC and wasn't
fit to any PSA model - you could meet it on Suzuki Santana 1.9TD.

 

i have never seen a motorbay in a 306TD i couldn't possably tell.
sure TE stands for Turbo Echangeur but again i only made an asumpition
there was an intercooler as there was a TE engine in the damn car.
AND you might find rare models of any pug/PSA in different cars so...

then again i stand corrected.

 

Hi,

So it explains everything

Ok then.

Most used standard Pug engines (2.3D on Fords or Nissans are the antique XD
series, Rover 218 used the XUD (7 or 9 I don't know for N/A, neither for
turbocharged models), the only PSA "semi-specific" (i.e derivated from a
standard engine, but not used on PSA's products) engine I remember is this
bloody Santana, which has the 1.9TD without intercooler.

It could well be time for me to be corrected in a short while