
Peugeot -407 Common Gearbox Problems
The Peugeot 407 has been a standout model for the French automaker, offering a blend of style, performance, and comfort. Whether you opt for the manual version with its engaging 6-speed gearbox or the automatic versions with either a 4- or 6-speed transmission, the 407 delivers a driving experience that is both smooth and responsive. Owners appreciate the car’s elegant design and the well-appointed interior, which provides ample space and comfort for both driver and passengers. The 407’s handling is commendable, making it a reliable choice for both city driving and longer journeys, while its array of features ensures a pleasant ride every time.
Peugeot 407 4-/6-speed Automatic Faults & Repairs: Common Problems
The Peugeot 407’s 4- and 6-speed automatic gearboxes have been the subject of various owner reports, highlighting several common issues. While these problems are not experienced by every owner, they are frequent enough to be noteworthy.
- Torque Converter Issues – Commonly leads to shuddering or slipping, often requiring a replacement or rebuild to restore smooth operation and prevent further damage.
- Valve Body Malfunction – Causes erratic shifting or harsh gear changes, typically resolved by cleaning or replacing the valve body components.
- Solenoid Failure – Results in delayed or missed shifts, often fixed by replacing the faulty solenoid to ensure proper hydraulic control.
- Fluid Leaks – Leads to low transmission fluid levels, causing overheating and gear slippage, usually repaired by replacing seals or gaskets.
- Clutch Pack Wear – Causes slipping or harsh engagement, often necessitating a rebuild or replacement of the worn clutch components.
- Electronic Control Unit (ECU) Faults – Results in erratic shifting or failure to engage gears, typically resolved by reprogramming or replacing the ECU.
- Overheating – Leads to fluid degradation and component wear, often addressed by installing an additional cooler or replacing the fluid.
- Gear Selector Issues – Causes difficulty in selecting gears, usually fixed by adjusting or replacing the gear selector mechanism.
- Input/Output Sensor Failure – Results in incorrect gear ratios or shifting problems, typically resolved by replacing the faulty sensors.
- Transmission Control Module (TCM) Problems – Causes erratic shifting or failure to engage gears, often fixed by reprogramming or replacing the TCM.
Peugeot 407 6-speed Manual Faults & Repairs: Common Problems
The Peugeot 407’s 6-speed manual gearbox has been a topic of discussion among owners, with several common issues reported. While the car offers a generally smooth driving experience, there are specific areas where the gearbox has shown vulnerabilities.
- Synchro Wear – Excessive wear on synchronizers can lead to grinding noises during gear shifts, often requiring replacement to restore smooth operation.
- Gear Slippage – Gears may slip out of place due to worn gear teeth or damaged shift forks, necessitating inspection and potential part replacement.
- Clutch Drag – A dragging clutch can cause difficulty in shifting gears, often resolved by adjusting or replacing the clutch components.
- Input Shaft Bearing Failure – Noisy operation and vibration can result from a failing input shaft bearing, requiring disassembly and bearing replacement.
- Oil Leaks – Leaks from seals or gaskets can lead to low lubrication levels, causing gear wear and necessitating seal replacement.
- Shift Linkage Issues – Misaligned or worn shift linkages can cause imprecise gear changes, often fixed by realignment or part replacement.
- Reverse Gear Problems – Difficulty engaging reverse gear may be due to worn gears or linkage issues, requiring inspection and possible repair.
- Gearbox Noise – Unusual noises during operation can indicate internal wear or damage, often needing a thorough inspection and repair.
- Selector Fork Damage – Damaged selector forks can prevent proper gear engagement, typically resolved by replacing the affected components.
- Excessive Play – Excessive play in the gear lever can result from worn bushings or mounts, requiring replacement to restore proper function.
Common Peugeot -407 Gearbox Issues
If your vehicle is experiencing any of the below symptoms, it is highly recommended to have your vehicle diagnosed before it causes further damage internally or to other components within the gearbox system.
- Unable to select gears / drive / reverse
- Jerking in gears / dropping out of gears
- Burning smell from gearbox/clutches
- The gearbox warning light illuminated on the dashboard
- Whining / crunching / humming noises
- TCM / Mechatronic error codes
Peugeot -407 Gearbox Repair Benefits
We offer customers a range of benefits when it comes to repairing their gearboxes. With cost-effective repair services, our team of highly skilled technicians are well-versed in repairing various types of gearboxes, making them capable of handling repairs for all makes and models.
Low costSave up to 60% off main dealer prices with repairs, rebuilds, and reconditioning. | All makes & modelsAutomatic, CVT, DSG, S-Tronic, Powershift, ZF and many more automatic types repaired. |
Skilled techniciansOur team is highly skilled and has experience with repairs on almost every type of automatic gearbox. | Warranty ProvidedAll types of repair come with a 12-month / 12,000-mile warranty. |
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