Cleaning The GM Electronic Throttle Body (4.8L, 5.3L, 6.0L)

Cleaning the throttle plate and throttle plate bore on the four.8L, 5.3L, and 6.0L GM electronic throttle torso is i of the nearly important routine maintenance services that should to be done on your GM pickup or SUV. Why?

Well, when gum and other oil and carbon deposits course behind the throttle plate and accumulate to the point that they may interfere with the throttle plate move and strip the plastic gears that brand upward the Throttle Actuator Motor that opens and closes the throttle plate.

In this article, I'll show you how to do it and offer some specific tips to get the chore done without head-aches and/or complications.

In case you're needing more info on GM's Electronic Throttle Control, these manufactures may help:

TPS Sensor

  1. GM Electronic Throttle Torso Circuit Descriptions And Testing Tips.
  2. P0120 TP Sensor 1 Excursion Malfunction (With Electronic Throttle Torso).
  3. P0220 TP Sensor 2 Excursion Malfunction (With Electronic Throttle Torso).
  4. Resistance Specifications Of The TAC Electronic Throttle Trunk.

APP Sensor one

  1. How To Test The GM Accelerator Pedal Position (APP) Sensor 1.
  2. How To Examination The GM Accelerator Pedal Position (APP) Sensor two.
  3. Resistance Specifications Of APP Sensor 1, APP Sensor 2.

En Español Puedes encontrar este tutorial en Español aquí: Cómo Limpiar el Cuerpo del Acelerador Electrónico (GM 4.8L, 5.3L, 6.0L) (en: autotecnico-online.com).

Symptoms Of A Dirty Throttle Body

These are the nearly mutual symptoms of a muddied electronic throttle torso:

  1. Sticky gas pedal sensation felt as a hesitation when you advance the engine.
  2. Rough idle.
  3. Failure of the Throttle Actuator Control (TAC) motor drive gears.
    1. In farthermost cases, the deposits tin can become then built up that the throttle torso plate will become stuck, striping out the plastic gear drive of the TAC motor.

Just equally irresolute the oil in your GM pick upwardly or SUV is a must do service... cleaning the TAC throttle torso is just equally important.

Nuts Of Cleaning The Electronic Throttle Body

Cleaning the electronic throttle torso is not hard to practise. But you do need to have some very important precautions:

  1. The cleaning spray that you use must not comprise Methyl Ethyl Ketone (MEK).
    1. This ways that you tin can not apply near (if not all) brands of carburetor cleaner spray.
    2. Methyl ethyl ketone is not corrosive for metals, but attacks certain plastics and materials including natural safe, nitrile rubber, polyvinyl chloride, Viton®, sure acrylics and celluloses.
    3. These are the materials most of the components on the intake manifold, plastic plenum, and the insides of the electronic throttle torso are fabricated up of on your GM vehicle.
    4. Other Names for MEK: 2-Butanone;  Butanone;  Methyl acetone;  Butan-2-one;  Methylpropane-2;  Butanone-2;  2-oxobutane;  3-Butanone;  Ethyl methyl ketone;  Methylethylketone;  Ethylmethylketone
  2. The recommended throttle cleaner is the: CRC 05078 Throttle Body and Air-Intake Cleaner - 12 Wt Oz..
  3. Yous should Non use any type of scraper tool or screw commuter to scrape of the deposits that have accumulated on the throttle plate or throttle diameter.
    1. Physically scraping the deposits will leave gouges in the soft aluminum metal the throttle body is made upward of and this will affect idle quality.

Let's jump to the adjacent page and become cleaning...