Remove/Install Camshaft Positioner - AR05.20-P-7204MRI
WARNING: This page is about a different car, the 2023 Mercedes-Benz GLC300, 2022 Mercedes-Benz GLC300, 2021 Mercedes-Benz GLC300, 2020 Mercedes-Benz GLC350e, and 2020 Mercedes-Benz GLC300. However, it is still accessible from the selected car via links, so may be relevant.
Engine 264 in model 205, 253
MODIFICATION NOTES
| 24.06.2019 | Method description adapted. | Operation step 1 |
| Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil | Wear protective gloves, protective clothing and safety glasses. Do not fill engine oil into beverage containers. |
AS18.00-Z-0001-01A | |
| Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels. |
AS00.00-Z-0017-01A | |
| Risk of injury . Moving parts can pinch, crush or, in extreme cases even sever extremities. | No parts of the body or limbs should be within the operating area of mechanical components when moving components. | AS00.00-Z-0009-01A | |
| Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | ||
| Remove/install | |||
| 1 | Remove right charge air line, remove charge air cooler with connected lines, and fasten so that they are free of tension. | Only install upper engine cover after the leak test. |
AR09.41-P-6817MRI |
| 2 | Rotate engine at crankshaft center bolt in direction of engine rotation to ignition TDC on cylinder 1. | ||
| 3 | Remove cylinder head cover. | AR01.20-P-5014MRI | |
| 4 | Install hold-down tool (5) with brackets (6). | Fig 2 | |
| 5 | Remove the chain tensioner. | AR05.10-P-7800MRI | |
| 6 | Remove control valve (2) of the corresponding camshaft positioner (1). | ||
| Notes on threaded connections fastened using a tightening angle-based tightening process | AH00.00-P-0020-01A | ||
| Specified engine oils (service) - Overview | Tighten control valve (2) evenly without discontinuity using the specified torque. |
BB00.40-P-0223-02A | |
| *BA05.20-P-1002-05A | |||
| Fig 3 | |||
| 7 | Lift off timing chain (3) from the corresponding camshaft positioner (1) and remove corresponding camshaft positioner (1). | ||
| 8 | Install in the reverse order. | ||
| 9 | Turn engine at center bolt of crankshaft x 2 in direction of engine rotation to ignition TDC at cylinder 1. | ||
| 10 | Check basic position of camshafts (4). | AR05.20-P-6010MRI | |
| 11 | Attach charge air cooler and install the right charge air line. | AR09.41-P-6817MRI | |
| Risk of burn injuries , suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust. | Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area. | AS49.00-Z-0001-01A | |
| Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | AS00.00-Z-0005-01A | |
| 12 | Perform engine test run; in this connection check engine for leak tightness and proper operation. | ||
| 13 | Install upper engine cover. | AR01.10-P-2405MRI |
CAMSHAFT, CAMSHAFT ADJUSTMENT
| Number | Designation | Engine 264 | ||
|---|---|---|---|---|
| BA05.20-P-1002-05A | Control valve of pulse wheel/camshaft positioner to camshaft | Stage 1 | Nm | 18 |
| Stage 2 | ∠° | 45 | ||