Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHRYSLER2003300M V6-3.5L VIN MREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTEMISSION CONTROL SYSTEMSCATALYTIC CONVERTERSERVICE AND REPAIRLEFT SIDE
2003 Chrysler 300M V6-3.5L VIN M
Left Side
2003 Chrysler 300M V6-3.5L VIN MSECTION Left Side
CATALYTIC CONVERTER LEFT
REMOVAL - LEFT SIDE
1. Loosen and remove V-Band clamp at exhaust manifold joint.
NOTE: Do not reuse V-Band clamp.
2. Hoist vehicle.
3. Remove exhaust system.
4. Disconnect downstream oxygen sensor electrical connector and remove sensor from converter pipe.
5. Loosen or remove nut attaching left pipe to transaxle bracket.
CAUTION: Care should be taken when removing converter not to damage driveshaft boot.
6. Remove converter from below vehicle.
INSTALLATION - LEFT SIDE
1. Install converter.
2. Attach a NEW V-Band clamp and tighten to 11 Nm (100 in. lbs.).
3. Install and/or tighten nut attaching pipe to transaxle bracket to 47 Nm (35 ft. lbs.).
4. Install downstream oxygen sensor and connect electrical connector.
5. Install exhaust system.
6. Lower vehicle.
REMOVAL - LEFT SIDE
1. Loosen and remove V-Band clamp at exhaust manifold joint.
NOTE: Do not reuse V-Band clamp.
2. Hoist vehicle.
3. Remove exhaust system.
4. Disconnect downstream oxygen sensor electrical connector and remove sensor from converter pipe.
5. Loosen or remove nut attaching left pipe to transaxle bracket.
CAUTION: Care should be taken when removing converter not to damage driveshaft boot.
6. Remove converter from below vehicle.
INSTALLATION - LEFT SIDE
1. Install converter.
2. Attach a NEW V-Band clamp and tighten to 11 Nm (100 in. lbs.).
3. Install and/or tighten nut attaching pipe to transaxle bracket to 47 Nm (35 ft. lbs.).
4. Install downstream oxygen sensor and connect electrical connector.
5. Install exhaust system.
6. Lower vehicle.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.