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Old 06-30-2001, 10:16 AM   #1
Neil Wallerstein
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Member#: 938
Join Date: Feb 2000
Location: O' Fallon, Missouri, US
2004 Former STi now
Dakota 4x4

Default WRX Torque Specs for Exhaust Header Bolts

Could someone who has the shop manuals give me the torque specs for the WRX Exhaust Header Bolts.

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Old 06-30-2001, 02:48 PM   #2
Jon [in CT]
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Join Date: Nov 2000
Chapter/Region: NESIC
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02 WRX Sedan


The bolts into the engine should be torqued to 40 Nm (28.9 ft-lb) and the bolts that connect other pipes to the exhaust manifolds should be torqued to 35 Nm (26 ft-lb). The manifold cover bolts should be torqued to 19 Nm (13.7 ft-lb). And all gaskets exposed should be replaced with new ones. If you have to remove the front O sensor from the RH exhaust manifold, make sure it's cooled down and re-install it (after applying anti-seize compound to the threads) with 21 Nm (15.2 ft-lb) of torque.
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