LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 1987 >> RX-7 Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Air Injection System >> Component Testing >> Air Pump
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Air Pump

  1. With engine at normal operating temperature, inspect all hose connections for leaks. Check for pump noise and belt tension.
  2. Stop engine and disconnect air line at air control valve. Connect hose to a pressure gauge. Connect tachometer to engine. See Fig 1 .
  3. Start engine and run at idle speed. Gauge should register more than 1.64 psi (.12 kg/cm2 ) with engine at 800 RPM. If pump pressure is below specification, replace air pump.
Fig 1: Connecting Pressure Gauge to Air Pump
G36882Courtesy of MAZDA MOTORS CORP.
scientia non olet · About LEMON Manuals