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DISCONNECTING Dodge Challenger III рестайлинг

Fuel System 14 illustrations ~914 words

DISCONNECTING

WARNINGThe fuel system is under a constant pressure (even with engine off). Before servicing any fuel system hose, fitting or line, fuel system pressure must be released. Refer to FUEL DELIVERY, GAS, STANDARD PROCEDURE .
CAUTIONBefore separating a Quick-Connect fitting, pay attention to what type of fitting is being used. Refer to FITTING, QUICK CONNECT, STANDARD PROCEDURE . This will prevent unnecessary fitting or fitting latch breakage.
CAUTIONThe interior components (O-rings, clips) of quick-connect fittings are not serviced separately, but new plastic spacers and latches are available for some types. If service parts are not available, do not attempt to repair the damaged fitting or fuel line (tube). If repair is necessary, replace the complete fuel line (tube) assembly.

Scheme 44

Scheme 44: REDUNDANT LATCH SINGLE BUTTON TYPE FITTING
Scheme 44: REDUNDANT LATCH SINGLE BUTTON TYPE FITTING

This type of quick-connect fitting is equipped with a redundant latch (2) and a single push button (1) that releases two internal latches located in the quick-connect fitting. Special tools are not required for removal.

Scheme 45

Scheme 45
Scheme 45
CAUTIONDo not pry or pull up on the push button as damage to the latches of the quick-connect fitting will occur.
  1. Pull the redundant latch (2) out away from the quick-connect fitting.
  2. Press on the push button with your thumb, release the internal latches (1) and remove the quick-connect fitting from the fuel system component.

Scheme 46

Scheme 46: SINGLE BUTTON TYPE FITTING
Scheme 46: SINGLE BUTTON TYPE FITTING
CAUTIONDo not pry or pull up on the push button as damage to the latches of the quick-connect fitting will occur.

This type of quick-connect fitting is equipped with a single push button (2) that releases two internal latches located in the quick-connect fitting. Special tools are not required for removal.

Scheme 47

Scheme 47
Scheme 47
  1. Press on the push button with your thumb, release the internal latches (1).
  2. Remove the quick-connect fitting from the fuel system component.

Scheme 48

Scheme 48: 2 BUTTON TYPE FITTING
Scheme 48: 2 BUTTON TYPE FITTING

This type of quick-connect fitting (1) is equipped with two push buttons (2) that releases two internal latches located in the quick-connect fitting. Special tools are not required for removal.

  1. Press on both push buttons with your thumb, release the internal latches.
  2. While holding the two push buttons simultaneously, remove the quick-connect fitting from the fuel system component.

Scheme 49

Scheme 49: PINCH TYPE FITTING
Scheme 49: PINCH TYPE FITTING

This type of quick-connect fitting (1) is equipped with two finger tabs (2). Special tools are not required for removal.

  1. Pinch both tabs (2) together and release the quick-connect fitting.
  2. Remove the quick-connect fitting from the fuel system component.

Scheme 50

Scheme 50: SINGLE TAB TYPE FITTING
Scheme 50: SINGLE TAB TYPE FITTING

This type of quick-connect fitting (3) is equipped with a single pull tab (1). The tab is removable. After tab is removed the quick-connect fitting can be separated from the fuel system component. Special tools are not required for removal.

Scheme 51

Scheme 51
Scheme 51
  1. Press release tab on side of fitting to release pull tab (1). If release tab is not pressed prior to releasing pull tab, pull tab will be damaged.
  2. While pressing the release tab on the side of the quick-connect fitting use a screwdriver (2) to pry up the pull tab.
  3. Raise the pull tab until it separates from the quick-connect fitting.
  4. Remove the quick-connect fitting from the fuel system component.

Scheme 52

Scheme 52: TWO TAB TYPE FITTING
Scheme 52: TWO TAB TYPE FITTING

This type of quick-connect fitting (2) is equipped with tabs located on both sides of the fitting (1). These tabs are integral to the fuel system component. The plastic tabs will remain on the component being serviced after the quick-connect fitting is removed. The O-ring and spacer will remain in the quick-connect fitting. Special tools are not required for removal.

  1. Squeeze the plastic tabs (1) against the sides of component being serviced with your fingers.
  2. Remove the quick-connect fitting from the fuel system component.

Scheme 53

Scheme 53: PLASTIC RETAINER RING TYPE FITTING
Scheme 53: PLASTIC RETAINER RING TYPE FITTING

This type of fitting can be identified by the use of a round plastic retainer ring (4) usually black in color. Special tools are not required for removal.

Note. The round plastic retainer ring must be pressed squarely into the quick-connect fitting body. If this retainer is cocked during removal it will be difficult to disconnect the quick-connect fitting. Use an open-end wrench on the shoulder of the plastic retainer ring to aid in disconnection.

  1. Firmly push the quick-connect fitting (5) towards the component being serviced while firmly pushing the round plastic retainer ring into the quick-connect fitting (6). With the round plastic ring depressed, remove the quick-connect fitting from the fuel system component.
  2. After removal the plastic retainer ring will remain with the quick-connect fitting.

Scheme 54

Scheme 54: LATCH CLIP TYPE 1 FITTING
Scheme 54: LATCH CLIP TYPE 1 FITTING

Depending on vehicle model and engine, 2 different types of safety latch clips are used. One is tethered (1) to fuel line and the other is not. A special tool will be necessary to disconnect the fuel line after latch clip is removed. The latch clip may be used on certain fuel line and fuel rail connections or to join fuel lines together.

Scheme 55

Scheme 55
Scheme 55
  1. Pry up on the latch clip (4) with a screwdriver (3).
  2. Slide the latch clip away from the quick-connect fitting while lifting the screwdriver and position aside.
  3. Insert an appropriate fuel line removal tool (1) into the quick-connect fitting and release the internal latches. NOTE: After removal the internal latches will remain in the quick-connect fitting.
  4. With the special tool still inserted, remove the quick-connect fitting from the fuel system component.

Scheme 56

Scheme 56: LATCH CLIP TYPE 2 FITTING
Scheme 56: LATCH CLIP TYPE 2 FITTING

Depending on vehicle model and engine, 2 different types of safety latch clips are used. One is tethered to the fuel line and the other is not. A special tool will be necessary to disconnect the fuel line after the latch clip is removed. The latch clip may be used on certain fuel line and fuel rail connections or to join fuel lines together.

  1. Unlatch the small arms on the end of clip, swing away and separate from the fuel system component.
  2. Slide the latch clip away from the quick-connect fitting while lifting with a screwdriver and position aside.
  3. Insert an appropriate fuel line removal tool (1) into the quick-connect fitting and release the internal latches. NOTE: After removal the internal latches will remain in the quick-connect fitting.
  4. With the special tool still inserted, remove the quick-connect fitting from the fuel system component.

Scheme 57

Scheme 57: WING TYPE FITTING
Scheme 57: WING TYPE FITTING

The wing type fitting is used on fuel system and emission components. The wing type fitting is most commonly used on the EVAP canister (3). Special tools are not required for removal.

  1. Using two fingers, press both wings (2) and release the locking tabs. NOTE: After removal the locking tabs will remain with the quick-connect fitting.
  2. While holding the wings, remove the quick-connect fitting from the fuel system component.