EGR Module (ESM) Removal/Installation - 2.5L

EGR MODULE (ESM) 2.5L 

Fig 1: Identifying EGR Module Removal/Installation - 2.5L

Courtesy of MAZDA MOTORS CORP.

1. Drain the cooling system. See COOLING SYSTEM DRAINING, FILLING AND BLEEDING - 2.5L .
2. Remove the outlet pipe. See AIR CLEANER OUTLET PIPE REMOVAL/INSTALLATION - 2.5L .
3. Disconnect the EGR valve electrical connector.
4. Release the clamp and remove the coolant hose from the EGR valve.
5. Remove the 2 bolts and the EGR valve.
   • To install, tighten to 20 N.m {2.0 kgf.m, 177 in.lbf}.
6. Remove and discard the EGR valve gasket.
   • Clean and inspect the EGR gasket mating surfaces
   CAUTION:

   • Do not use metal scrapers, wire brushes, power abrasive discs or other abrasive means to clean the sealing surfaces. These tools cause scratches and gouges that make leak paths. Use a plastic scraping tool to remove all traces of the exhaust gas recirculation (EGR) valve gasket
   NOTE:

   • If there is no residual gasket material present, metal surface prep can be used to clean and prepare the surfaces
   NOTE:

   • Do not reuse the EGR valve gasket.
7. To install, reverse the removal procedure.
   NOTE:

   • Install a new EGR valve gasket.
8. Fill and bleed the cooling system. See COOLING SYSTEM DRAINING, FILLING AND BLEEDING - 2.5L .