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Audi TT 2000-2006 Bentley manual give 2 different torque specs...


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Last Post: Dec 12, 2007 3:09 PM Last Post By: budpalumbo
msauve

Posts: 6
Registered: 12/09/03
Bentley manual give 2 different torque specs...
Posted: Dec 8, 2007 2:07 PM
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which is correct?

In "Audi > TT > 2000 - 2005 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMU, BEA
10 - Engine - Assembly Tightening torques," the following torques are given for the engine/transmission bolts:

Bolts 1,2,3,4,8; 65 Nm.
Bolts 5,6,7; 45 Nm.

Additionally, no mention is made of replacing the bolts.

In "Audi > TT > 2000 - 2005 5 and 6 Spd. Manual Transmission 02M, 02Y All Wheel Drive 34 - Transmission, removing and installing Transmission (vehicles with 4 cylinder engine), installing", these DIFFERENT torques are given:

Bolts 1,2,3,4,8; 80 Nm.
Bolts 5,6,7; 40 Nm.

And it says to always replace the bolts, even though they do not appear to be torque-to-yield ones (no "x" Nm + 90 degrees).

Message was edited by: msauve

budpalumbo

Posts: 1,456
Registered: 12/09/03
Re: Bentley manual give 2 different torque specs...
Posted: Dec 10, 2007 10:05 AM   in response to: msauve in response to: msauve
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What bolts are you talking about? I look up info a different way, so I can't go by your tracking.
msauve

Posts: 6
Registered: 12/09/03
Re: Bentley manual give 2 different torque specs...
Posted: Dec 10, 2007 10:33 AM   in response to: budpalumbo in response to: budpalumbo
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I'm talking about the engine to transmission bolts, as I said. (4 cylinder/AMU to 2MY/DQB tranny)

In both of the cited sections, the torques are shown in a table and number-referenced to a diagram.
budpalumbo

Posts: 1,456
Registered: 12/09/03
Re: Bentley manual give 2 different torque specs...
Posted: Dec 12, 2007 3:09 PM   in response to: msauve in response to: msauve
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The info I have uses the first specs you list. It lists just about every other bolt as a TTY that needs replaced, like all the mounts, the driveshaft, and even the ones on the dogbone mount underneath. I'd guess they should be replaced. Mercedes has long been a supporter of replacing any bolt you remove, not suprised Audi is doing that now.

40 to 45 is only 3 ft./lbs difference, really won't matter. The others are 10 ft/lbs. Split the difference if you can't get verification. Hope this helps some.

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