S4 V8-4.2L (BHF) (2004)
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Cut tube nozzle at front marking (nozzle approximately 1 mm diameter).
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Insert new sealing rings - 1 to 4 - into grooves on cylinder block.
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Apply sealant beads - arrows - to clean sealing surface of cylinder block as depicted in illustration.
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Thickness of sealant bead: 1.5 to 2.0 mm.
Note:
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The oil pan (upper part) must be installed within 5 minutes after application of sealant.
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Sealant bead must not be thicker than specified, otherwise sealant could get into oil pan and clog the strainer on intake tube.
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With a second technician, position upper section of oil pan and pre-tighten bolts - 1 to 7 - to 5 Nm in diagonal sequence.
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Tighten bolts - 1 to 7 - to 15 Nm in diagonal sequence.
The rest of the installation is performed in reverse order of removal. Note the following:
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Install coolant pump
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Install lower section of oil pan.
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Replace O-ring at guide tube for oil dipstick and insert guide tube into hole in oil pan (upper part).
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When installing Generator bracket, take note of two alignment bushings.
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Install covers for timing chains.
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Install ribbed belt.
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Install engine