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engines:m104.98x [2020/10/17 06:31] – [Installation] john5788 | engines:m104.98x [2020/10/25 08:10] – [Compression Pressure Test] john5788 |
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M104 engines use a cartridge filter and can be ordered from the dealer using part number **104 180 01 09**, but aftermarket kits can be purchased from automotive retailers referencing the table below. Kits should come with a new seal ring for replacement on the filter cap. | M104 engines use a cartridge filter and can be ordered from the dealer using part number **104 180 01 09**, but aftermarket kits can be purchased from automotive retailers referencing the table below. Kits should come with a new seal ring for replacement on the filter cap. |
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^ Brand ^ Part number ^ | ^ Brand ^ Part number ^ |
| WIX | 51145 | | | WIX | 51145 | |
| Bosch | 72194WS | | | Bosch | 72194WS | |
| Mann | HU7271X | | | Mann | HU7271X | |
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==== Fluid ==== | ==== Fluid ==== |
===== Compression Pressure Test ===== | ===== Compression Pressure Test ===== |
<image shape="responsive">{{ engines:m104980compressiontestdata.png }}</image> | <image shape="responsive">{{ engines:m104980compressiontestdata.png }}</image> |
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{{ engines:compressiontesttool.jpg?120 }} | {{ engines:compressiontesttool.jpg?300 }} |
<caption>Taking a measurement on the compression tester</caption> | <caption>Taking a measurement on the compression tester</caption> |
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{{ engines:m104guiderailpinpuller.jpg?120 }} | {{ engines:m104guiderailpinpuller.jpg?300 }} |
<caption>Use an M6x1.0 screw to extract the guide rail pin</caption> | <caption>Use an M6x1.0 screw to extract the guide rail pin</caption> |
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<thumbnail> | <thumbnail> |
{{ engines:m104cylinderheadtighteningorder.png?120 }} | {{ engines:m104cylinderheadtighteningorder.png?300 }} |
<caption>Cylinder head tightening order</caption> | <caption>Cylinder head tightening order</caption> |
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<col sm="3"> | <col sm="3"> |
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{{ engines:m104dirtyblocksurface.jpg?120 }} | {{ engines:m104dirtyblocksurface.jpg?300 }} |
<caption>Piston tops and mating surface before cleaning </caption> | <caption>Piston tops and mating surface before cleaning </caption> |
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{{ engines:m104pistonscleaned.jpg?120 }} | {{ engines:m104pistonscleaned.jpg?300 }} |
<caption>Piston tops and mating surface cleaned </caption> | <caption>Piston tops and mating surface cleaned </caption> |
</thumbnail> | </thumbnail> |
<col sm="6"> | <col sm="6"> |
<thumbnail> | <thumbnail> |
{{ engines:m104headgasketinstalled.jpg?120 }} | {{ engines:m104headgasketinstalled.jpg?300 }} |
<caption>Head gasket installed</caption> | <caption>Head gasket installed</caption> |
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{{ engines:m104cylinderheadhoist.jpg?120 }} | {{ engines:m104cylinderheadhoist.jpg?300 }} |
<caption>The M104 cylinder head is very heavy. A hoist is used to lower the head onto the block safely.</caption> | <caption>The M104 cylinder head is very heavy. A hoist is used to lower the head onto the block safely.</caption> |
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<thumbnail> | <thumbnail> |
{{ engines:m104cylinderheadtighteningorder.png?120 }} | {{ engines:m104cylinderheadtighteningorder.png?300 }} |
<caption>Cylinder head tightening order</caption> | <caption>Cylinder head tightening order</caption> |
</thumbnail> | </thumbnail> |
<col sm="6"> | <col sm="6"> |
<thumbnail> | <thumbnail> |
{{ engines:m104cylinderheadboltmark.jpg?120 }} | {{ engines:m104cylinderheadboltmark.jpg?300 }} |
<caption>Mark on cylinder head bolt to estimate torquing stages </caption> | <caption>Mark on cylinder head bolt to estimate torquing stages </caption> |
</thumbnail> | </thumbnail> |
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<thumbnail> | <thumbnail> |
{{ engines:m104980_setintakecamshafttdc.jpg?120 }} | {{ engines:m104980_setintakecamshafttdc.jpg?300 }} |
<caption>Intake camshaft set to TDC </caption> | <caption>Intake camshaft set to TDC </caption> |
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<thumbnail> | <thumbnail> |
{{ engines:fanclutchcounterhold.png?120 }} | {{ engines:fanclutchcounterhold.png?300 }} |
<caption>Counter hold on the fan clutch</caption> | <caption>Counter hold on the fan clutch</caption> |
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{{ engines:m104removefanclutch.jpg?120 }} | {{ engines:m104removefanclutch.jpg?300 }} |
<caption>Removing fan clutch</caption> | <caption>Removing fan clutch</caption> |
</thumbnail> | </thumbnail> |