Fuel systems

Adjusting a fixed-jet carburettor

A fixed-jet carburettor mixes air and fuel by means of several jets . The jets are small hol...

Adjusting an emission-control carburettor

Anti-pollution laws in many countries now limit the volume of poisonous carbon monoxide gas ...

Servicing the fuel supply system

The fuel supply system is generally reliable and any problems that do occur are usually traceab...

Cleaning fuel-pump filters

A blocked fuel-pump filter will cause the engine to cut out intermittently, particularly at...

Checking a mechanical fuel pump

If a car stops and has not run out of petrol, check whether there is petrol in the carburettor ....

How to overhaul a Stromberg carburettor

The Stromberg carburettor does not have a regular service schedule, but should be cleaned about...

Removing a carburettor for cleaning

Over a period of time, dirt inevitably gets through the fuel filter of a carburettor , and c...

Checking and cleaning a GM Varajet carburettor

The Varajet carburettor used on many Vauxhalls and Opels is a hybrid between fixed-jet and vari...

Checking a Ford VV carburettor

The Ford Variable Venturi carburettor is fitted to many small Fords.

Checking and replacing a fuel sender unit

If the fuel gauge reads empty when you know there is fuel in the tank, the cause may be a fau...

Servicing a mechanical fuel pump

Remove the top of the pump first. It is held on by a central bolt or screw, except on the SU AU...

Checking and cleaning an SU carburettor

The SU carburettor is simple to strip. It has only one jet (except in a few special types) an...

Checking and cleaning a fixed-jet carburettor

Fixed-jet carburettors are easily blocked by small dirt particles and chemical residues from f...

Checking fuel pipes

Any fuel leak, however small, can cause a fire. Do not drive a car with a suspected leak until ...

Preparing for carburettor adjustment

The carburettor is often suspected of causing an engine to run roughly, when the real source ...

Adjusting an SU carburettor

Unlike other types of carburettor , which have fixed jets , the SU has only one jet, so the mix...

Adjusting a Stromberg carburettor

The Stromberg CD carburettor , like the SU (See Adjusting an SU carburettor ), is a constant-de...

We're making the ultimate video course.

Start watching →

You can preview the video course here