Charge Air Cooler Installation Note

Remove foreign matter on the O-ring seal surface of charge air cooler and in the pipe furrow O-ring (sand or dust).

Fig 1: Identifying O-Ring Furrow And Seal Surface
Courtesy of MAZDA MOTORS CORP.
Apply engine oil to the entire surface of the O-ring.
Align the O-ring projection with the pipe furrow and install the O-ring.

Fig 2: Identifying O-Ring Projection And Pipe Furrow
Courtesy of MAZDA MOTORS CORP.
Temporarily install the bolts and nuts shown in the figure.

Fig 3: Identifying Charge Air Cooler Bolts And Nuts
Courtesy of MAZDA MOTORS CORP.
Tighten the charge air cooler in the order shown in the figure.

Fig 4: Charge Air Cooler Bolts Tightening Sequence
Courtesy of MAZDA MOTORS CORP.