Mazda CX-9 Grand Touring 2009 Manual page 1637

Courtesy of MAZDA MOTORS CORP.
2. Pull the clip parallel to the injector groove, and remove it from the injector.
3. Discard the clip.
Fig. 45: Pulling Clip To Injector Groove
Courtesy of MAZDA MOTORS CORP.
FUEL INJECTOR INSTALLATION NOTE
1. Install the new O-ring.
2. Lightly lubricate the injector groove and O-ring.
3. Pre-attach a new clip in the injector groove.
NOTE:
4. Hold the injector firmly, push the clip into the injector until the clip stops sliding.
5. Verify that the injector connector position is correct, and press the injector and clip into the injector cup.
Continue pressing until the clip contacts the lower surface of the injector cup.
6. Verify that the injector and clip are correctly attached with the clip locked onto the injector cup notch.
Fig. 46: Pushing Clip Into Injector
Courtesy of MAZDA MOTORS CORP.
FUEL INJECTOR INSPECTION [MZI-3.7]
2008 Mazda CX-9 Grand Touring
2008 ENGINE Fuel System (MZI-3.7) - Mazda CX-9
When the clip is attached correctly, the central area of the injector
and the clip finger positions are aligned.