2010 Chrysler 300C First generation Engine Fastener Tightening Specifications
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Condition | Value |
---|
Lower section of intake manifold | 20.65 lbf⋅ft |
Upper section of intake manifold | 8.85 lbf⋅ft |
Lower section of intake manifold | 20.65 lbf⋅ft |
Upper section of intake manifold | 8.85 lbf⋅ft |
All other modifications | 8.85 lbf⋅ft |
5.7 with gasoline V8 5.7 L 343 HP engine (2009.12–2012.11) | 39.83 lbf⋅ft |
6.1 SRT8 with gasoline V8 6.1 L 425 HP engine (2005.6–2012.11) | 39.83 lbf⋅ft |
All other modifications | 20.65 lbf⋅ft |
3.0 CRD with diesel V6 3.0 L 215 HP engine (2005.9–2012.11) | 42.78 lbf⋅ft |
3.0 V6 CRD with diesel V6 3.0 L 208 HP engine (2010.11–2012.11) | 42.78 lbf⋅ft |
All other modifications | 25.08 lbf⋅ft |
M10 | 36.88 lbf⋅ft |
M8 | 19.18 lbf⋅ft |
M10 | 36.88 lbf⋅ft |
M8 | 19.18 lbf⋅ft |
M10 | 36.88 lbf⋅ft |
M8 | 19.18 lbf⋅ft |
3.0 CRD with diesel V6 3.0 L 215 HP engine (2005.9–2012.11) | 19.18 lbf⋅ft |
3.0 V6 CRD with diesel V6 3.0 L 208 HP engine (2010.11–2012.11) | 19.18 lbf⋅ft |
3.5 with gasoline V6 3.5 L 245 HP engine (2004.9–2012.11) | 19.18 lbf⋅ft |
All other modifications | 36.88 lbf⋅ft |
Air-conditioning compressor pressure line | 16.96 lbf⋅ft |
3.0 CRD with diesel V6 3.0 L 215 HP engine (2005.9–2012.11) | 44.25 lbf⋅ft |
3.0 V6 CRD with diesel V6 3.0 L 208 HP engine (2010.11–2012.11) | 44.25 lbf⋅ft |
All other modifications | 47.94 lbf⋅ft |
3.5 with gasoline V6 3.5 L 249 HP engine (2005.1–2010.12) | 39.83 lbf⋅ft |
All other modifications | 20.65 lbf⋅ft |
Hydraulic lines at the servo-steering pump | 34.67 lbf⋅ft |
3.0 CRD with diesel V6 3.0 L 215 HP engine (2005.9–2012.11) | 17.7 lbf⋅ft |
3.0 V6 CRD with diesel V6 3.0 L 208 HP engine (2010.11–2012.11) | 17.7 lbf⋅ft |
All other modifications | 20.65 lbf⋅ft |
Vacuum pump | 6.64 lbf⋅ft |
First stage | 7.38 lbf⋅ft |
Second stage | 90° |
3.0 CRD with diesel V6 3.0 L 215 HP engine (2005.9–2012.11) | 10.33 lbf⋅ft |
3.0 V6 CRD with diesel V6 3.0 L 208 HP engine (2010.11–2012.11) | 10.33 lbf⋅ft |
3.5 with gasoline V6 3.5 L 245 HP engine (2004.9–2012.11) | 20.65 lbf⋅ft |
3.5 with gasoline V6 3.5 L 249 HP engine (2005.1–2010.12) | 20.65 lbf⋅ft |
5.7 with gasoline V8 5.7 L 343 HP engine (2009.12–2012.11) | 8.11 lbf⋅ft |
All other modifications | 8.85 lbf⋅ft |
On high-pressure pump | 24.34 lbf⋅ft |
On rail | 19.91 lbf⋅ft |
High-pressure pump | 10.33 lbf⋅ft |
High-pressure pump pulley | 51.63 lbf⋅ft |
On injector | 24.34 lbf⋅ft |
On rail | 19.91 lbf⋅ft |
First stage | 5.16 lbf⋅ft |
Second stage | 180° |
First stage | 14.75 lbf⋅ft |
Second stage | 90° |
At the turbocharger | 5.9 lbf⋅ft |
On the engine block | 7.38 lbf⋅ft |
First stage | 7.38 lbf⋅ft |
Second stage | 22.13 lbf⋅ft |
On the engine block | 8.85 lbf⋅ft |
M6 | 10.33 lbf⋅ft |
M8 | 14.75 lbf⋅ft |
M6 | 10.33 lbf⋅ft |
M8 | 14.75 lbf⋅ft |
5.7 with gasoline V8 5.7 L 343 HP engine (2009.12–2012.11) | 20.65 lbf⋅ft |
6.1 SRT8 with gasoline V8 6.1 L 425 HP engine (2005.6–2012.11) | 20.65 lbf⋅ft |
All other modifications | 8.85 lbf⋅ft |
3.5 with gasoline V6 3.5 L 249 HP engine (2005.1–2010.12) | 16.96 lbf⋅ft |
2.7 with gasoline V6 2.7 L 174 HP engine (2007.1–2012.11) | 8.85 lbf⋅ft |
Tighten in steps from inside to outside. | |
2.7 with gasoline V6 2.7 L 178 HP engine (2009.9–2010.12) | 8.85 lbf⋅ft |
Tighten in steps from inside to outside. | |
2.7 with gasoline V6 2.7 L 190 HP engine (2004.9–2012.11) | 8.85 lbf⋅ft |
Tighten in steps from inside to outside. | |
2.7 with gasoline V6 2.7 L 190 HP engine (2004.9–2012.11) | 8.85 lbf⋅ft |
Tighten in steps from inside to outside. |
Retaining clamp | 5.9 lbf⋅ft |
Retaining clamp | 5.9 lbf⋅ft |
Cap | 20.65 lbf⋅ft |
First stage | 7.38 lbf⋅ft |
Heed bolt length. See figure 1. | |
Third stage | 44.25 lbf⋅ft |
Fifth stage | 90° |
Sixth stage | 90° |
Seventh stage | 90° |
Second stage | 14.75 lbf⋅ft |
Fourth stage | 14.75 lbf⋅ft |
Control tensioner |
First stage | 7.38 lbf⋅ft |
Heed bolt length. See figure 1. | |
Third stage | 44.25 lbf⋅ft |
Fifth stage | 90° |
Sixth stage | 90° |
Seventh stage | 90° |
Second stage | 14.75 lbf⋅ft |
Fourth stage | 14.75 lbf⋅ft |
Control tensioner |
First stage | 44.99 lbf⋅ft |
See figure 2. | |
Second stage | 64.91 lbf⋅ft |
Third stage | 64.91 lbf⋅ft |
Fourth stage | 90° |
First stage | 44.99 lbf⋅ft |
See figure 2. | |
Second stage | 64.91 lbf⋅ft |
Third stage | 64.91 lbf⋅ft |
Fourth stage | 90° |
First stage | 25.08 lbf⋅ft |
See figure 3. | |
Third stage | 39.83 lbf⋅ft |
Fifth stage | 90° |
Second stage | 14.75 lbf⋅ft |
Fourth stage | 14.75 lbf⋅ft |
Sixth stage | 25.08 lbf⋅ft |
First stage | 25.08 lbf⋅ft |
See figure 3. | |
Third stage | 39.83 lbf⋅ft |
Fifth stage | 90° |
Second stage | 14.75 lbf⋅ft |
Fourth stage | 14.75 lbf⋅ft |
Control tensioner | |
Sixth stage | 25.08 lbf⋅ft |
First stage | 35.4 lbf⋅ft |
See figure 4. | |
Second stage | 55.32 lbf⋅ft |
Third stage | 55.32 lbf⋅ft |
Fourth stage | 90° |
Fifth stage | 20.65 lbf⋅ft |
Cylinder head screws shank length (maximum) | 8.15 in |
Cylinder head screws shank length (new) | 8.07 in |
3.5 AWD with gasoline V6 3.5 L 249 HP engine (2004.9–2010.12) | 22.86 lbf⋅ft |
See figure 5. | |
3.5 with gasoline V6 3.5 L 245 HP engine (2004.9–2012.11) | 22.86 lbf⋅ft |
See figure 5. | |
3.5 with gasoline V6 3.5 L 249 HP engine (2005.1–2010.12) | 22.86 lbf⋅ft |
See figure 5. | |
All other modifications | 16.23 lbf⋅ft |
Tighten in steps from inside to outside. |
First stage | 2.95 lbf⋅ft |
See figure 6. | |
Second stage | 4.43 lbf⋅ft |
Third stage | 5.9 lbf⋅ft |
First stage | 2.95 lbf⋅ft |
See figure 6. | |
Second stage | 4.43 lbf⋅ft |
Third stage | 5.9 lbf⋅ft |
5.7 with gasoline V8 5.7 L 343 HP engine (2009.12–2012.11) | 5.9 lbf⋅ft |
helically from the inside out | |
6.1 SRT8 with gasoline V8 6.1 L 425 HP engine (2005.6–2012.11) | 5.9 lbf⋅ft |
helically from the inside out | |
All other modifications | 8.85 lbf⋅ft |
First stage | 11.06 lbf⋅ft |
Replace and lightly oil the screws. See figure 7. | |
Second stage | 14.75 lbf⋅ft |
Note correct order of tensioning. | |
Third stage | 22.13 lbf⋅ft |
Fourth stage | 29.5 lbf⋅ft |
Fifth stage | 29.5 lbf⋅ft |
Sixth stage | 90° |
Seventh stage | 90° |
Eighth stage | 90° |
Ninth stage | 90° |
First stage | 11.06 lbf⋅ft |
Replace and lightly oil the screws. See figure 7. | |
Second stage | 14.75 lbf⋅ft |
Note correct order of tensioning. | |
Third stage | 22.13 lbf⋅ft |
Fourth stage | 29.5 lbf⋅ft |
Fifth stage | 29.5 lbf⋅ft |
Sixth stage | 90° |
Seventh stage | 90° |
Eighth stage | 90° |
Ninth stage | 90° |
First stage | 15.49 lbf⋅ft |
Replace screws. | |
Second stage | 90° |
First stage | 33.19 lbf⋅ft |
Second stage | 60° |
First stage | 19.91 lbf⋅ft |
Second stage | 90° |
2.7 with gasoline V6 2.7 L 174 HP engine (2007.1–2012.11) | 125.39 lbf⋅ft |
2.7 with gasoline V6 2.7 L 178 HP engine (2009.9–2010.12) | 125.39 lbf⋅ft |
2.7 with gasoline V6 2.7 L 190 HP engine (2004.9–2012.11) | 125.39 lbf⋅ft |
2.7 with gasoline V6 2.7 L 190 HP engine (2004.9–2012.11) | 125.39 lbf⋅ft |
First stage | 154.89 lbf⋅ft |
Use new screw. | |
Second stage | 180° |
First stage | 154.89 lbf⋅ft |
Use new screw. | |
Second stage | 180° |
3.5 with gasoline V6 3.5 L 245 HP engine (2004.9–2012.11) | 70.07 lbf⋅ft |
3.5 with gasoline V6 3.5 L 249 HP engine (2005.1–2010.12) | 70.07 lbf⋅ft |
All other modifications | 129.81 lbf⋅ft |
First stage | 33.19 lbf⋅ft |
Second stage | 90° |
First stage | 33.19 lbf⋅ft |
Second stage | 90° |
All other modifications | 70.07 lbf⋅ft |
Use screw-locking compound. |
Engine block closure screws | 22.13 lbf⋅ft |
First stage | 25.81 lbf⋅ft |
Replace and lightly oil the screw. See figure 8. | |
Second stage | 95° |
Note correct order of tensioning. | |
Third stage | 95° |
Fourth stage | 39.09 lbf⋅ft |
Fifth stage | 95° |
First stage | 25.81 lbf⋅ft |
Replace and lightly oil the screw. See figure 8. | |
Second stage | 95° |
Note correct order of tensioning. | |
Third stage | 95° |
Fourth stage | 39.09 lbf⋅ft |
Fifth stage | 95° |
First stage | 19.91 lbf⋅ft |
helically from the inside out | |
Second stage | 90° |
M8 | 20.65 lbf⋅ft |
helically from the inside out |
First stage | 7.38 lbf⋅ft |
See figure 9. | |
Second stage | 19.91 lbf⋅ft |
Third stage | 90° |
Fourth stage | 7.38 lbf⋅ft |
Replace the shim. | |
Fifth stage | 20.65 lbf⋅ft |
5.7 with gasoline V8 5.7 L 343 HP engine (2009.12–2012.11) | 129.81 lbf⋅ft |
Chrysler diesel V6 3.0 L EXL 208 HP | 12.54 lbf⋅ft |
Chrysler diesel V6 3.0 L EXL 215 HP | 12.54 lbf⋅ft |
Chrysler gasoline V8 6.1 L ESF 425 HP | 20.65 lbf⋅ft |
Camshaft timing chain slip rail | 12.54 lbf⋅ft |
3.0 CRD with diesel V6 3.0 L 215 HP engine (2005.9–2012.11) | 59 lbf⋅ft |
3.0 V6 CRD with diesel V6 3.0 L 208 HP engine (2010.11–2012.11) | 59 lbf⋅ft |
All other modifications | 8.85 lbf⋅ft |
3.0 CRD with diesel V6 3.0 L 215 HP engine (2005.9–2012.11) | 13.28 lbf⋅ft |
3.0 V6 CRD with diesel V6 3.0 L 208 HP engine (2010.11–2012.11) | 13.28 lbf⋅ft |
First stage | 75.23 lbf⋅ft |
Use new screw. | |
Second stage | 90° |
First stage | 75.23 lbf⋅ft |
Use new screw. | |
Second stage | 90° |
5.7 with gasoline V8 5.7 L 343 HP engine (2009.12–2012.11) | 72.28 lbf⋅ft |
6.1 SRT8 with gasoline V8 6.1 L 425 HP engine (2005.6–2012.11) | 89.98 lbf⋅ft |
All other modifications | 20.65 lbf⋅ft |
5.7 with gasoline V8 5.7 L 343 HP engine (2009.12–2012.11) | 20.65 lbf⋅ft |
All other modifications | 20.65 lbf⋅ft |
6.1 SRT8 with gasoline V8 6.1 L 425 HP engine (2005.6–2012.11) | 20.65 lbf⋅ft |
All other modifications | 8.85 lbf⋅ft |
Control drive chain tensioning rail | 20.65 lbf⋅ft |
Control drive timing chain slip rail | 20.65 lbf⋅ft |
Drive belt tensioner device | 44.99 lbf⋅ft |
M10 | 39.83 lbf⋅ft |
M6 | 8.85 lbf⋅ft |
M10 | 39.83 lbf⋅ft |
M6 | 8.85 lbf⋅ft |
M10 | 39.83 lbf⋅ft |
M6 | 8.85 lbf⋅ft |
3.0 CRD with diesel V6 3.0 L 215 HP engine (2005.9–2012.11) | 7.38 lbf⋅ft |
3.0 V6 CRD with diesel V6 3.0 L 208 HP engine (2010.11–2012.11) | 7.38 lbf⋅ft |
All other modifications | 20.65 lbf⋅ft |
M10 | 39.83 lbf⋅ft |
M6 | 8.85 lbf⋅ft |
M8 | 20.65 lbf⋅ft |
3.0 CRD with diesel V6 3.0 L 215 HP engine (2005.9–2012.11) | 8.11 lbf⋅ft |
3.0 V6 CRD with diesel V6 3.0 L 208 HP engine (2010.11–2012.11) | 8.11 lbf⋅ft |
3.5 with gasoline V6 3.5 L 245 HP engine (2004.9–2012.11) | 44.99 lbf⋅ft |
3.5 with gasoline V6 3.5 L 249 HP engine (2005.1–2010.12) | 44.99 lbf⋅ft |
All other modifications | 40.57 lbf⋅ft |
3.0 CRD with diesel V6 3.0 L 215 HP engine (2005.9–2012.11) | 22.13 lbf⋅ft |
3.0 V6 CRD with diesel V6 3.0 L 208 HP engine (2010.11–2012.11) | 22.13 lbf⋅ft |
All other modifications | 19.91 lbf⋅ft |
Replace sealing rings. |
Oil filter | 8.85 lbf⋅ft |
Oil filter cover | 18.44 lbf⋅ft |
3.0 CRD with diesel V6 3.0 L 215 HP engine (2005.9–2012.11) | 14.01 lbf⋅ft |
3.0 V6 CRD with diesel V6 3.0 L 208 HP engine (2010.11–2012.11) | 14.01 lbf⋅ft |
6.1 SRT8 with gasoline V8 6.1 L 425 HP engine (2005.6–2012.11) | 20.65 lbf⋅ft |
Tighten cross-wise. |
Oil pump cover | 8.85 lbf⋅ft |
On the engine block | 20.65 lbf⋅ft |
Oil sump top part | 10.33 lbf⋅ft |
Oil sump top part | 14.75 lbf⋅ft |
Oil sump lower part | 8.85 lbf⋅ft |
Oil sump top part | 10.33 lbf⋅ft |
Oil sump top part | 14.75 lbf⋅ft |
Oil sump lower part | 8.85 lbf⋅ft |
At the gearbox | 40.57 lbf⋅ft |
M6 | 8.85 lbf⋅ft |
M8 | 20.65 lbf⋅ft |
At the gearbox | 40.57 lbf⋅ft |
M6 | 8.85 lbf⋅ft |
M8 | 20.65 lbf⋅ft |
M10 | 39.83 lbf⋅ft |
First stage | 3.69 lbf⋅ft |
See figure 13. | |
Second stage | 8.85 lbf⋅ft |
Second stage | 39.83 lbf⋅ft |
First stage | 3.69 lbf⋅ft |
See figure 13. | |
Third stage | 8.85 lbf⋅ft |
M6 | 8.85 lbf⋅ft |
M8 | 20.65 lbf⋅ft |
3.0 CRD with diesel V6 3.0 L 215 HP engine (2005.9–2012.11) | 5.9 lbf⋅ft |
3.0 V6 CRD with diesel V6 3.0 L 208 HP engine (2010.11–2012.11) | 5.9 lbf⋅ft |
All other modifications | 8.85 lbf⋅ft |
2.7 with gasoline V6 2.7 L 174 HP engine (2007.1–2012.11) | 6.64 lbf⋅ft |
2.7 with gasoline V6 2.7 L 178 HP engine (2009.9–2010.12) | 6.64 lbf⋅ft |
2.7 with gasoline V6 2.7 L 190 HP engine (2004.9–2012.11) | 6.64 lbf⋅ft |
2.7 with gasoline V6 2.7 L 190 HP engine (2004.9–2012.11) | 6.64 lbf⋅ft |
3.0 CRD with diesel V6 3.0 L 215 HP engine (2005.9–2012.11) | 6.64 lbf⋅ft |
3.0 V6 CRD with diesel V6 3.0 L 208 HP engine (2010.11–2012.11) | 6.64 lbf⋅ft |
All other modifications | 8.85 lbf⋅ft |
Glow plugs | 8.85 lbf⋅ft |
5.7 with gasoline V8 5.7 L 343 HP engine (2009.12–2012.11) | 14.75 lbf⋅ft |
6.1 SRT8 with gasoline V8 6.1 L 425 HP engine (2005.6–2012.11) | 14.75 lbf⋅ft |
All other modifications | 7.38 lbf⋅ft |
5.7 with gasoline V8 5.7 L 343 HP engine (2009.12–2012.11) | 30.24 lbf⋅ft |
6.1 SRT8 with gasoline V8 6.1 L 425 HP engine (2005.6–2012.11) | 30.24 lbf⋅ft |
All other modifications | 20.65 lbf⋅ft |
On the engine block | 14.75 lbf⋅ft |
On the engine block | 14.75 lbf⋅ft |
On the engine block | 51.63 lbf⋅ft |
On the engine block | 51.63 lbf⋅ft |
At the subframe | 81.13 lbf⋅ft |
On engine bracket | 42.78 lbf⋅ft |
At the subframe | 81.13 lbf⋅ft |
On engine bracket | 42.78 lbf⋅ft |
At the subframe | 70.07 lbf⋅ft |
On engine bracket | 70.07 lbf⋅ft |
At the subframe | 55.32 lbf⋅ft |
On engine bracket | 55.32 lbf⋅ft |
Nuts | 70.07 lbf⋅ft |
On chassis | 136.45 lbf⋅ft |
At the bracket | 40.57 lbf⋅ft |
All other modifications | 25.08 lbf⋅ft |
On chassis | 40.57 lbf⋅ft |
Clamps | 25.81 lbf⋅ft |
Nuts at the cylinder head | 18.44 lbf⋅ft |
Nuts at the cylinder head | 18.44 lbf⋅ft |
New component | 28.76 lbf⋅ft |
Reassembly | 16.96 lbf⋅ft |
New component | 28.76 lbf⋅ft |
Reassembly | 16.96 lbf⋅ft |
5.7 with gasoline V8 5.7 L 343 HP engine (2009.12–2012.11) | 18.44 lbf⋅ft |
6.1 SRT8 with gasoline V8 6.1 L 425 HP engine (2005.6–2012.11) | 22.86 lbf⋅ft |
All other modifications | 16.96 lbf⋅ft |
2.7 with gasoline V6 2.7 L 174 HP engine (2007.1–2012.11) | 7.38 lbf⋅ft |
2.7 with gasoline V6 2.7 L 178 HP engine (2009.9–2010.12) | 7.38 lbf⋅ft |
2.7 with gasoline V6 2.7 L 190 HP engine (2004.9–2012.11) | 7.38 lbf⋅ft |
2.7 with gasoline V6 2.7 L 190 HP engine (2004.9–2012.11) | 7.38 lbf⋅ft |
3.5 with gasoline V6 3.5 L 245 HP engine (2004.9–2012.11) | 8.85 lbf⋅ft |
3.5 with gasoline V6 3.5 L 249 HP engine (2005.1–2010.12) | 8.85 lbf⋅ft |
6.1 SRT8 with gasoline V8 6.1 L 425 HP engine (2005.6–2012.11) | 7.38 lbf⋅ft |
All other modifications | 5.9 lbf⋅ft |
2.7 with gasoline V6 2.7 L 174 HP engine (2007.1–2012.11) | 36.88 lbf⋅ft |
2.7 with gasoline V6 2.7 L 178 HP engine (2009.9–2010.12) | 36.88 lbf⋅ft |
2.7 with gasoline V6 2.7 L 190 HP engine (2004.9–2012.11) | 36.88 lbf⋅ft |
2.7 with gasoline V6 2.7 L 190 HP engine (2004.9–2012.11) | 36.88 lbf⋅ft |
First stage | 14.75 lbf⋅ft |
Second stage | 90° |
First stage | 14.75 lbf⋅ft |
Second stage | 90° |
Clamps | 36.88 lbf⋅ft |
All other modifications | 44.99 lbf⋅ft |
6.1 SRT8 with gasoline V8 6.1 L 425 HP engine (2005.6–2012.11) | 18.44 lbf⋅ft |
On chassis | 40.57 lbf⋅ft |
Clamps | 33.19 lbf⋅ft |
Clamps | 33.19 lbf⋅ft |
Clamps | 36.88 lbf⋅ft |
All other modifications | 34.67 lbf⋅ft |
3.5 with gasoline V6 3.5 L 245 HP engine (2004.9–2012.11) | 20.65 lbf⋅ft |
3.5 with gasoline V6 3.5 L 249 HP engine (2005.1–2010.12) | 20.65 lbf⋅ft |
6.1 SRT8 with gasoline V8 6.1 L 425 HP engine (2005.6–2012.11) | 12.54 lbf⋅ft |
All other modifications | 14.75 lbf⋅ft |
Starter | 39.83 lbf⋅ft |
Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2010 Chrysler 300C user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.
Before doing any DIY service please check your insurance policy and Chrysler warranty policy for your region. In some regions DIY service may invalidate your warranty.
Table of Contents
- Air Conditioning Compressor Oil Capacity
- Air Conditioning Refrigerant Capacity
- Automatic Transmission Fluid Capacity
- Axle Oil Capacity
- Brake Fluid Capacity
- Cooling Fluid Capacity
- Engine Oil Capacity
- Fluid and Lubricant Specifications
- Gearbox Oil Capacity
- Steering Fluid Capacity
- Brake System Specifications
- Chassis Specifications
- Cooling System Specifications
- Electrical System Specifications
- Emission
- Engine Fastener Tightening Specifications
- Front Suspension Fastener Tightening Specifications
- Rear Suspension Fastener Tightening Specifications
- Transmission Fastener Tightening Specifications
Conquer your fears and never give up!
DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow Chrysler 300C service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.
Doing basic service for your 2010 Chrysler 300C you're not only saving money, but also also improving your technical skills and learning something new.