Peugeot 307 gearbox repair step by step

Peugeot 307 gearbox: models

First, learn to identify your gearbox model. The 1st-generation petrol Peugeot 307, launched in 2001, features a 1.4 engine with 75 hp, 1.6 138 hp or 2.0 138 hp. These models have a 5-speed manual transmission, like the Peugeot 307 1.6 injection gearbox. A 4-speed automatic gearbox is also available on the 1.6 and 2.0 models.

As for diesel vehicles, they feature either a 70hp 1.4 HDi engine, or a 90 or 110hp 2.0 HDi. All are paired with a 5-speed manual gearbox.

The 307 was an instant success. As proof, it was voted Car of the Year in 2002. But that didn't stop the Lion brand from giving it a facelift. In 2005, engine power was upgraded: 2nd-generation gasoline-powered vehicles come with a 1.4 90hp, 1.6 110hp or 2.0 140hp or 180hp engine. They are equipped with a 5-speed manual gearbox, or a 4-speed automatic for the 1.6 110 hp and 2.0 140 hp.

In addition, the 1.4 HDi engine has been replaced by a 1.6 HDi, with either 90 hp or 110 hp. The Peugeot 307 1.6 HDi gear box is a 5-speed manual. In addition, the power of the 2.0 HDi engine has been increased to 135 hp. It is combined with a 6-speed manual or automatic transmission.

Symptoms of malfunction

Whatever the model, the gearbox on your Peugeot 307 takes a beating over the years. It's not unusual for it to show signs of premature fatigue. Here are the signs that should alert you:

• Difficulty or inability to shift gears;
• Jolts when shifting gears;
• A soft clutch pedal;
• Cracking or scraping noises;
• A loss of power.

Common problems and solutions

As soon as you notice a malfunction, call in a professional mechanic instead of doing it yourself. It's essential to examine the gearbox, and that means taking it apart.

What's the diagnosis?

The technician will make a precise diagnosis. Common problems are :

• Worn synchronizer rings: these rings, which are fitted to parallel gearboxes, make shifting gears more comfortable. If they are worn, you'll have trouble shifting gears;
• Damage to rings or seals: these components, which deteriorate over time, are essential to the smooth operation of gear shifting;
• Torque converter failure : torque converters are fitted to automatic gearboxes. Failure of this part can cause noise, vibration and speed problems;

• Broken gear teeth: if the teeth are damaged, there is a risk of cracking when shifting gears;
• Faulty mechatronics: mechatronics is the central control unit. If it fails, the gearbox will be unable to shift gears correctly;
• Insufficient transmission fluid level: this may be due to a missing seal or an impact on the sump. The result: a lack of lubrication for the mechanics, which can cause cracking;
• Fluid clogging: similarly, if dirt mixes with the transmission fluid, your mechanics may not be sufficiently lubricated.

Possible repairs to the Peugeot 307 gearbox

Once the diagnosis has been made, the technician will present you with a solution. In most cases, it will be possible to replace the defective part, without changing the whole box.

Your mechanic will be able to replace the synchronizing rings, the converter or the mechatronics, for example. In the event of an oil leak, repairing the defective housing or gasket, followed by a refill, will suffice. On the other hand, if the transmission fluid is clogged, it will be necessary to change it.

However, if repair or replacement of the part in question is not sufficient, the whole box will have to be replaced.

Buy your gearbox on EDEN BOITES

If the only solution is to replace the gearbox, you can buy it separately at EDEN BOITES. Your garage will then install it for you. The advantage: it will cost you less. Identify the gearbox best suited to your vehicle. At EDEN BOITESwe offer several models, such as the Peugeot 307 2.0 HDi gearbox.

What's more, since quality is the most important factor when purchasing new parts, all our gearboxes come with a one-year, 100% original equipment warranty.