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Alloytec and You

mr_s

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mr_s, looks like you're safe. The service bulletin says;


"This condition may affect the 7.7 mm pitch timing
chain, installed in engines after the following engine
number: H053340001."

and

"Improved timing chains were introduced from the
following breakpoint:

Engine Number H071380576
Eng Built Date: 18/05/07"

and "Typical expectation is that ECM detectable chain elongation
would occur in early engine life (i.e. 10,000 to 20,000 km)."

Hey.
That's great news!
Where Can I get access to this Bulletin?
 

greenacc

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The best thing you can do is NOT thrash your car. Keep it below the red line and it should live a long life. Or just replace the chain with a good one when it gets noisy or the warning light comes on, bend over and pay the mechanic, and its all good after that.
 

mr_s

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The best thing you can do is NOT thrash your car. Keep it below the red line and it should live a long life. Or just replace the chain with a good one when it gets noisy or the warning light comes on, bend over and pay the mechanic, and its all good after that.
Red line.... What the #### is a -
You mean past 7000 RPM? Good Grief!
I've never taken a car past 5000, let alone red line. It's like having anal sex without lube... Sure it may feel great for you, but she/he's in a lot of pain
 

Wongy295

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I've been up to 5500, only once.
I was overtaking and was running out of road. Had to keep going to avoid the embarrassment of dropping back. So I slammed it back a gear in Active Select ;)

Usually I treat my car so tender and lovingly. <3


Sent from my Galaxy SII.
 

carcollector

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Hey.
That's great news!
Where Can I get access to this Bulletin?

Can't find the link at the moment, but here's the text.

H08-0601-01: Timing Chain Stretch and/or DTCs P0008, P0009, P0016, P0017,
P0018, P0019

Built Prior to Engine Number H071380576

A condition may occur with the HFV6 engine that will cause the MIL
to illuminate and may log DTCs P0008, P0009, P0016, P0017, P0018 and
P0019. Codes are set when the ECM detects that camshafts on either
bank of the engine are misaligned with the crankshaft. For a more
complete description of code setting parameters, refer to SI.
Important: This condition may affect the 7.7 mm pitch timing
chain, installed in engines after the following engine
number: H053340001.

The customer will only notice an engine warning light in
the instrument panel. This condition does not cause any obvious
driveability concerns or any abnormal engine noises.

There was an issue with the time chain manufacturing process
that caused, in a small number of engines, the chain links to
be outside design specifications. Over time, this may result in
chain elongation.

The degree of chain elongation will depend of the number of
affected links and the drive cycle of the engine during its life.
Typical expectation is that ECM detectable chain elongation
would occur in early engine life (i.e. 10,000 to 20,000 km).

If the vehicle meets the criteria explained, with any of
the previously mentioned DTCs logged in the ECM, the standard
service instructions for DTCs P0016, P0017, P0018, P0019 and P0008
and P0009 must be followed, prior to any diagnostic work being done
on the timing chains.
Refer to Engine Controls & Fuel – 3.6L,
DTC P0016, P0016, P0018, P0019 or document # 1985724 in SI or
Engine Control & Fuel – 3.6L, DTC P0008, P0009 or document #1985715
in SI.

ONLY the timing chains need to be replaced.
Idlers, guides and tensioners do not require replacement.
However, inspect the guides for any abnormal wear and replace
ONLY if necessary.

Once the original used chains have been removed, check the
free length against new, unused chains to confirm diagnosis. Ensure
that the chains are either laid flat on a bench and pulled
straight with no kinks or hung out straight vertically. Typical
chain elongation observed is a minimum of 3 mm on a doubled-up
chain, taking an approximate measurement.
 

VS_Pete

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I found this site awhile ago don`t know if it will help.

Holden
 

RiCeY

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LOL at being afraid of limiter. The limiter is set to a point that engineers deem a safe level for the engine to rev to. They have to provide warranty for these engines for 3 years so they wouldnt set it to a level that would cause damage.

Constantly bouncing off it probably wont be healthy but hitting it now and then isnt going to hurt.
 

adr8

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Hitting the rev limiter once a day keeps the mechanic away!
 

mr_s

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Ok, So I realise this is a necro and a half thread, but I just want to take the time and say thank you to all those who replied and gave me comfort.
Since then she's done 138000 on the speedo (I dont drive much) and still going strong.
Due for new sparkies tho.

The best thing you can do is NOT thrash your car. Keep it below the red line and it should live a long life. Or just replace the chain with a good one when it gets noisy or the warning light comes on, bend over and pay the mechanic, and its all good after that.
Thanks mate, I normally keep it below 4k unless I am dragging.

I've never taken a car past 5000, let alone red line. It's like having anal sex without lube... Sure it may feel great for you, but she/he's in a lot of pain
Hahaha, I am using this one from now on!
Also, gotta hear that vroom vroom every now and then :)

Can't find the link at the moment, but here's the text.
Thank you again after all these years collector!

I found (see below) on the internet.

Legend Kwaka!
You need to tell me where you get your details from :p
 
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