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Drain part of coolant. Installation: Bleed cooling system 17 00 039. Take cover off of thermostat housing. Installation: Also mount bracket (4). Replace gasket (5). Remove thermostat. Important: Seal! Installation: Bracket on thermostat faces forward.  17 00 039
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Loosen timing case cover. Installation: Tighten bolts 6 and 7 finger tight. Now tighten bolts 8 ... 13 in order and them tighten 6 and 7 fully. |  |
Remove timing case cover with helical gear (14). Installation: Check cord seal (15), replacing if necessary. If cylinder head gasket is damaged, remove cylinder head (see 11 12 100) and replace gasket. 11 12 100
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Important: Pack bores with Dirko sealing compound prior to installing timing case cover. |  |
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Installation: Replace gasket (2) and seal (3). Clamp on thermostat faces out. From model '86 on: new Thermostat, with gasket on cover, see 11 53 000. 11 53 000
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For DME with Inserted Distributor Arm: Take off distributor cap (4). Pull off distributor arm (5) and remove cover (6). Installation: Check rubber ring (7). |  |
For DME with Screwed Distributor Arm: Take off distributor cap (4). Unscrew distributor arm (5). Unscrew adapter (6) and remove cover (7). Installation: Check rubber ring (8). Place seal screw (6) and install screw with a bolt cement**. Tightening troque*. * See Specifications ** Source: HWB
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Unscrew timing case cover. Installation: Tighten screws (4 and 5) finger tight. Now tighten screws (6 ... 11) (8 and 9 are longer). If applicable, replace damaged cylinder head gasket - see 11 12 000. Check that radial oil seal fits correctly on the distributor rotor adapter (12). 11 12 000
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Important! Coat bores with a brush-on universal sealing compound/Three Bond Silicone 1207** prior to installtion of the timing case cover. ** Source: HWB
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