DIY THERMOSTAT

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Originally posted by schylarb

Ok problem came back. I put two new temp sensors in and two days later problem came back. I'm getting a P2181 code and since the sensors are new i guess i'll do the Tstat. I don't have a Bentley manual yet so i would be grateful if some one could scan or just send me some info. I would like to know the torque specs for the Tstat bolts, the 10 lower manifold bolts plus a tightening sequence, and the upper manifold bolts. Thanks

Here's a concise listing of torque specs (with some good warnings...read carefully):

Intake manifold, disassembling and assembling

NOTE:

    * When removing the upper part of the intake manifold (item 8), ensure that the alignment pins (item 12) are positioned in lower part of the intake manifold (item 13) and do not fall into the intake channels!

    * Cylinder bank 1 is located on right side in direction of travel.

    * Cylinder bank 2 is located on left side in direction of travel.

1      Vacuum connection

    * below the throttle valve control module

    * from Evaporative Emission (EVAP) Canister Purge Regulator Valve-N80-, item 13

2      Seal

    * Replace if damaged

3      Throttle Valve Control Module -J338-*

    * Terminals of sensor and connector are gold-plated

    * 6-pin connector

4      8 Nm

5      Vacuum connection

    * from Leak detection pump (LDP)-V144-, item 22

6      Vacuum connection

    * from fuel pressure regulator, item 6

7      Vacuum connection

    * from brake booster

8      Upper part of intake manifold

    * when removing, enure that the alignment pins (item 12) are positioned in lower part of the intake manifold (item 13) and do not fall into the intake channels!

    * when installing, note alignment pins (item 13) in lower part of the intake manifold (item 13)

9      Intake manifold side-part

    * Cylinder bank 2

10      Seal

    * Replace if damaged

11      Vacuum connection

    * for Secondary Air Injection (AIR) Solenoid Valve -N112- and Left Electro-Hydraulic Engine Mount Solenoid Valve -N144-, item 5

12      Alignment pin

    * when removing the upper part of the intake manifold (item 8), ensure that the alignment pins (item 12) are positioned in lower part of the intake manifold (item 13) and do not fall into the intake channels!

    * when installing the upper part of the intake manifold, (item 8) note alignment pins (item 13) in lower part of the intake manifold

13      Lower part of intake manifold

    * with alignment pins item 12

14      9 Nm

15      Ball pin, 3 Nm

    * For engine cover

16      Intake manifold side-part

    * Cylinder bank 1

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