How do I know if I have 24x or 58x?

How do I know if I have 24x or 58x?

One easy way to tell which reluctor wheel you have is to look at the crankshaft sensor. If it’s black you have a 24x wheel; if the sensor is gray then you have a 58x wheel.

What is a LS Reluctor wheel?

GM LS engines feature a toothed reluctor wheel (also called a tone wheel or tone ring), which is press-fit onto the rear of the crankshaft. This toothed wheel is used by the crankshaft position sensor for ignition timing.

What is a 58 tooth reluctor wheel?

Around 2005 or 2006, GM started using a 58-tooth reluctor wheel, where before they used a 24-tooth wheel in the LSx based engines (LS1, LS2, LS3, etc.). This wheel is used as a way for the computer to detect where the crankshaft is at in its rotational cycle.

How do you install a Reluctor wheel?

Heat up the wheel with a torch, somewhere near 200-degrees (fahrenheit) and using heat resistant gloves, pull the reluctor wheel off of the crankshaft. The reluctor wheel with Goodson’s jig in place. Installation is just as simple. Check for any burrs on the wheel or mating surfaces.

How does a Reluctor wheel work?

The reluctor ring is mounted on the crankshaft so that as the crankshaft rotates the magnetic sensor is triggered by notches in the reluctor ring. The magnetic sensor provides position information to the electronic control module, which governs ignition timing.

What is a Reluctor ring?

Can a Reluctor ring go bad?

Even tiny fluctuations in thermal expansion, or vibrations themselves, can weaken and break the internal wiring and circuits in CKP sensors. Bent, broken or worn reluctor ring teeth can also generate a weak or unstable signal, which the ECM will be unable to analyze.

Is the 5.3 an LS motor?

The cheapest of the LS engine family is the 5.3L truck engine since it came in most of the trucks and SUVs that Chevrolet has produced.

What is Reluctor ring?

Can you drive with a broken tone ring?

It is completely safe to drive except that you will not have either anti-lock brakes (we got by for decades without that) or 4WD.

Where is the reluctor wheel on a LS engine?

The reluctor wheel (again, also called a timing wheel or tone wheel) is interference-fit onto the rear of the crankshaft, with no key or other registering device.

Where is the tone wheel on a GM LS engine?

A magnet sensor mounted stationary in the block is aligned to the wheel and picks up crankshaft position. GM LS engines feature a toothed reluctor wheel (also called a tone wheel or tone ring), which is press-fit onto the rear of the crankshaft.

Is the reluctor wheel on the rear of the crank?

Most aftermarket crankshaft manufacturers sell LS cranks with the wheel already installed, but it’s possible that you bought a crank where the reluctor wheel is sold separately. This isn’t a simple matter of hammering the wheel onto the rear of the crank. The reluctor wheel MUST be indexed correctly to the crank.

Where is the interference fit on a reluctor wheel?

The reluctor wheel features a series of teeth that provide crankshaft position signals (via a sensor) to the ECM. The wheel interference-fits to the rear of the crank, immediately forward of the No. 5 main bearing. Typically the wheel features about a 0.007” interference fit.