Pressure-testing oil-to-coolant heat exchanger - RA18001041370X(18-1370)
WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.
Preceding work:
Oil-to-coolant heat exchanger removed (18-1320)
Operation no. of operation texts and work units or standard texts and flat rates:
18-6841
| Oil-to-coolant heat exchanger | clean. |
| Opening (2) | seal air-tight. |
| Tester (1) | connect. |
| Oil-to-coolant heat exchanger | pressurize with tester (1) to about 1.3 bar. |
| Oil-to-coolant heat exchanger | immerse in tank with warm water. |
| Oil-to-coolant heat exchanger | inspect for any air bubbles flowing out.
NOTE:
Air bubbles indicate a leak; pinpoint more accurately where the air bubbles come from. If a leak exists, replace oil-to-coolant heat exchanger. |
DATA
| Test pressure | 1.4 bar |
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