OEM Chevrolet Astro ABS Control Module

Chevrolet Astro ABS Control Module Parts and Q&A

• Pressure Module Valve
  88964380
  Q: How to service and repair the ABS Control Module on Chevrolet Astro?

  A:

  The service and repair process of the ABS Control Module begins with removing the fuel pipe shield from the frame bracket through the removal of the two nuts. Clean all debris surrounding the Electronic Hydraulic Control Unit (EHCU) until the area demonstrates no loose dirt particles because this prevents disassembly contamination of ABS components. Remove the ABS Control Module by disconnecting its electrical connectors before removing the four Torx Screws which mount the ABS Control Module onto the Brake Pressure Modulator Valve (BPMV). Remove the ABS Control Module from the BPMV using minimal effort because applied force higher than required can lead to ABS Control Module damage. The BPMV and ABS Control Module mounting surfaces should be wiped clean with a dry cloth. For the new ABS Control Module installation keep away from reusing existing mounting screws because you should use fresh ones. RTV sealant along with other products should not be applied either to the ABS Control Module gasket or to its mating surfaces. Fitting the ABS Control Module onto the BPMV requires application of four new T-25 Torx screws which should be tightened to 5 Nm (39 inch lbs.) while following an X-pattern sequence. First connect all electrical connectors to the ABS Control Module before installing the module on the frame bracket and fuel pipe shield with two nuts and performing tire calibration revision through the Scan Tool Tire Size Calibration function.
• Control Module
  19244890
  Q: How to replace the ABS Control Module on Chevrolet Astro?

  A:

  Start by removing the fuel pipe shield which attaches to the frame bracket by drying two nuts to proceed with ABS Control Module replacement. A complete washing operation should remove all particles from around the EHCU to achieve a clean zone that blocks contaminants from touching separated ABS components. Unplug the ABS Control Module electrical connectors before removing the screws which hold the ABS Control Module onto the Brake Pressure Modulator Valve (BPMV). Touch the ABS Control Module components with minimal effort since considerable pressure may harm the device. Clean the contacting surfaces between the BPMV and ABS Control Module by using a clean cloth. Install a fresh set of screws for the new ABS Control Module since old screws are prohibited for reuse. Never apply RTV or sealant materials onto the ABS Control Module gasket surfaces or its mating points. Fitting the ABS Control Module onto the BPMV requires proper installation of new screws which need to be tightened at 5 Nm (39 inch lbs.) in an X-pattern. First reconnect the electrical connectors of the ABS Control Module and install the 2 nuts to secure it between the frame bracket and fuel pipe shield. After performing the tire calibration on the Scan Tool revise the Diagnostic Starting Point for Antilock Brake System.