Adjustment of engine hood - ra88001400302x(0302)

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A. Longitudinal adjustment, B. Lateral adjustment, C. Height adjustment, D. Pre-tension adjustment; Model 140

Fig 1: Identifying Engine Hood Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

To adjust the engine hood (8) in the longitudinal (A) and transverse direction (B), first eliminate the pretension in the engine hood frame by screwing back both stop buffers (7).

Adjustment in longitudinal direction

Inner fender (1) in front fender	remove, install (88-130).
Nuts (2) on engine hood hinge (3)	slacken, adjust (numbers 1-7).

Adjustment in transverse direction

Upper part of engine hood lock (4)

slacken, adjust
Measure gap using feeler gauge, part no. 129 589 03 21 00, 5 Nm (numbers 1 - 3)

Height adjustment

Inner fender in front fender	remove, install (88-130).
Stop buffer (5)	slacken, adjust.
Rear nuts (2) on engine hood hinge (3)	slacken, adjust (numbers 1 - 11).

Adjustment of pretension

Radiator panelling (6)	remove, install (88-400).
Both lower stop buffers (7) on frame of closed engine hood (8)	adjust with pretension (3 turns). Note installation information in section D (numbers 1 - 8) !
Engine hood locks	lubricate, test safety hook (10) and lock (9) (numbers 7 - 10, in section D).

Special tool

Fig 2: Identifying Special Tool (129 589 03 21 00 60)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

NOTE: For slight corrections of height or in the longitudinal direction, slacken bolts (arrows) in engine hood hinges and adjust engine hood.

If more adjustment travel is required, adjust engine hood as described in "A.", "B.", "C." and "D.".

Fig 3: Locating Engine Hood Slacken Bolts

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Adjustment in longitudinal direction
1. Remove inner fender in front fender (88-130).
2. Move engine hood into the vertical position (90°) and unhook spring (1) on the engine hood hinges.
3. Close engine hood.
  Shown with front fender removed
  
  Fig 4: Identifying Engine Hood Unhook Spring
  Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
4. Slacken nuts (4) on engine hood hinges.
  Shown with front fender removed
  
  Fig 5: Identifying Engine Hood Hinges Slacken Nuts
  Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
5. Adjust engine hood so that the front edge of the front fender aligns with the front edge of the engine hood.
6. Tighten nuts on engine hood hinges.
  
  Fig 6: Locating Engine Hood Front Edge
  Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
7. Install inner fender in front fender (88-130).
Adjustment in transverse direction
1. Slacken bolts (arrows) in upper parts of the engine hood lock (5).
  
  Fig 7: Locating Engine Hood Lock Slacken Bolts
  Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
2. Adjust the fit of engine hood, gap: 5 mm.
  NOTE: Use feeler gauge, part no. 129 589 03 21 00.
3. Tighten bolts in upper parts of the engine hood lock.
  
  Fig 8: Locating Engine Hood Gap
  Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Height adjustment
1. Remove inner fender in front fender (88-130).
2. Slacken lock nut on left and right-hand stop buffer (arrow).
  
  Fig 9: Locating Left And Right-Hand Stop Buffer
  Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
3. Adjust stop buffer so that the upper edge of the closed engine hood closes with the upper edge of the turn signal cutout.
  
  Fig 10: Locating Upper Edge Of Closed Engine Hood
  Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
4. Position engine hood vertically (90°) and unhook spring (1) on engine hood hinge.
5. Close engine hood.
  Shown with front fender removed
  
  Fig 11: Locating Engine Hood Hinge Unhook Spring
  Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
6. Slacken both rear nuts (4) on engine hood hinge.
  NOTE: Do not slacken front nuts so that the adjustment in the longitudinal direction does not change.
  
  Shown with front fender removed
  
  Fig 12: Locating Engine Hood Hinge Rear Nuts
  Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
7. Adjust engine hood so that the upper edge of the rear engine hood aligns with the upper edge of the front fender, then tighten nuts on engine hood hinge.
8. Move engine hood into vertical position (90°) and install spring on engine.
9. Close engine hood and check height adjustment.
  
  Fig 13: Locating Engine Hood Upper Edge
  Courtesy of MERCEDES-BENZ OF NORTH AMERICA.