Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions

Tips on How to Change the Glow Plugs on 1.3 MJT Engines

Model: (Various brands) Various
Part: Glow plugs

The 1.3 CDTI engine is used in many models from Fiat, Lancia, Opel, and Suzuki, making glow plug wear a common issue. The glow plugs are located at the front of the engine, just in front of the rocker cover. Simply remove the engine cover to locate them. A quick functionality check can be done by disconnecting the connector and gently touching the glow plug with an electric wire connected to the positive terminal of the battery: if a spark occurs, the glow plug is fine. A problem that may arise during replacement is that the glow plug may not unscrew. It is advisable to spray some penetrating oil and let it sit overnight before unscrewing it with an 8 mm socket. Before installing the new one, apply some special grease and do not exceed the torque specification.

Updated on 26 February 2026 by ScegliAuto

Video tutorial

Related tutorials

How to Check the Functioning of the Glow Plugs
How to Check the Functioning of the Glow Plugs
(Various brands) Various There are several ways to check the proper functioning of the glow plugs, some a bit empirical but certainly effective, and others more systematic an…
How to Keep Your Engine Efficient Over the Years
How to Keep Your Engine Efficient Over the Years
(Various brands) Various As the engine of your vehicle is used, wear begins to occur. This leads to the accumulation of deposits, and even the injectors accumulate deposits, …
How to Replace Glow Plugs
How to Replace Glow Plugs
(Various brands) Various Here’s how to replace glow plugs on a vehicle. The glow plug is a heating element that helps start a diesel engine in cold conditions. First, open th…

Other guides you may be interested in

How to Bleed the Clutch on a Renault Clio?

To bleed the clutch on a Renault Clio, open the bonnet to access the components located in the engine bay: here, you will need to undo the screws that secure the battery in its housing, the intake manifold, and the coolant reservoir. This will allow you to locate the pipe through which the brake fluid flows: by inserting the other end of the pipe into a container, you can press the clutch pedal to expel all the fluid until it fills the container.

Watch the video!


by ScegliAuto

More videos