A4 Mk2
Sump, oil pump - exploded view |
1 - | Sump |
q | Removing and installing → Chapter |
q | Install using sealant; sealant → Parts catalogue |
2 - | Torque reaction support |
3 - | 23 Nm |
4 - | Oil pump |
q | With pressure relief valve (12 bar) |
q | Removing and installing → Chapter |
q | Before installing, check that the two dowel sleeves → Item for centring oil pump/cylinder block are fitted. |
q | Renew if running surfaces and gears are scored |
q | Tightening torque for oil pump cover to oil pump housing: 10 Nm |
5 - | Chain sprocket for oil pump |
q | Sprocket can only be fitted on oil pump shaft in one position. |
6 - | 22 Nm |
7 - | Drive chain for oil pump |
q | Mark direction of rotation before removing |
q | Check for wear |
8 - | 15 Nm |
9 - | Sealing flange (front) |
q | Must be positioned on dowel sleeves |
q | Removing and installing → Chapter |
q | Install using sealant; sealant → Parts catalogue |
q | Renewing crankshaft oil seal on pulley end → Chapter |
10 - | Chain tensioner |
q | Tighten to 16 Nm |
q | Do not dismantle |
q | Note installation position |
q | When installing, pre-tension spring and engage |
q | If the spring is broken, renew chain tensioner as complete unit |
11 - | Chain sprocket for oil pump |
q | Removing and installing → Chapter |
12 - | Dowel sleeves |
q | 2x |
13 - | O-ring |
q | Renew |
14 - | 16 Nm |
15 - | Suction pipe |
q | Clean strainer if dirty |
16 - | Baffle plate |
17 - | 16 Nm |
18 - | 15 Nm |
q | Tighten in stages and in diagonal sequence |
q | Observe correct tightening sequence → Anchor |
19 - | 40 Nm |
20 - | Seal |
q | Renew |
21 - | Gasket |
q | Renew |
22 - | Oil return pipe |
q | From turbocharger |
23 - | 10 Nm |
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