---
title: How to mount a leaf spring
description: "Applicable to: All Fiat 500 Classic and Fiat 126 cars, but not limited to. Special tools needed: - Leaf spring tensioner Safety: Before you begin, be aware of the risk of injury. The leaf spring is very powerful and can…"
url: "https://www.fiatvanderlaan.com/kb-docs/how-to-mount-a-leaf-spring/"
updated: "2024-12-13"
category: Suspension
---

# How to mount a leaf spring

Applicable to:
All Fiat 500 Classic and Fiat 126 cars, but not limited to.

Special tools needed:
- Leaf spring tensioner

Safety:
Before you begin, be aware of the risk of injury. The leaf spring is very powerful and can have very high tension. Take your time and be carefull.

Step 1: Clamp the leaf spring into the laef spring tensioner like the pictures below

![](https://www.fiatvanderlaan.com/wp-content/uploads/kb-docs/leaf_spring_tensioner_01-1024x1024.jpg)
Leaf spring tensioner

![](https://www.fiatvanderlaan.com/wp-content/uploads/kb-docs/leaf_spring_tensioner_02-1024x1024.jpg)
Leaf spring clamped in the tensioner

Step 2: Mount the leaf spring like the pictures below, use the two [U-shaped clamps](https://www.fiatvanderlaan.com/product/leaf-spring-holder/) (don't forget the [rubbers](https://www.fiatvanderlaan.com/product/leaf-spring-rubber/)). Thread of the nuts is M10x1.25.

![](https://www.fiatvanderlaan.com/wp-content/uploads/kb-docs/mount_leaf_spring_01-1024x768.jpg)
Mount leaf spring at these points

![](https://www.fiatvanderlaan.com/wp-content/uploads/kb-docs/mount_leaf_spring_02-1024x768.jpg)
Leaf spring mounted to body

Step 3: When the leaf spring is in position, adjust the tensioner to get the holes aligned of the steering knuckle and the leaf spring. When they are aligned, put the right bolts on the holes and tighten them at the right torque. See pictures below.

![](https://www.fiatvanderlaan.com/wp-content/uploads/kb-docs/mount_leaf_spring_03-1024x768.jpg)
Steering knuckle attached

![](https://www.fiatvanderlaan.com/wp-content/uploads/kb-docs/mount_leaf_spring_04-1024x683.jpg)
Leaf spring tensioner removed

**After fitting the leaf spring, the wheels and steering should be realigned for correct vehicle handling.**

The right tighning torques can be found [here](https://www.fiatvanderlaan.com/kb-docs/fiat-500-classic-tightening-torques/).

All pictures copyrighted, owner Patrick Hamers (more pictures: [www.fiat500f.nl](http://www.fiat500f.nl)).