GM Service Manual Online
For 1990-2009 cars only

Coolant Recovery Reservoir Replacement LZE, LZ4, LGD

Removal Procedure


    Object Number: 540105  Size: SH
  1. Reposition the reservoir hose clamp  (1).
  2. Remove the reservoir hose from the radiator overflow neck.
  3. Remove the coolant recovery reservoir nuts (2) from the shock tower studs.
  4. Remove the coolant recovery reservoir (3) from the lower retainer and the shock tower studs.
  5. Drain the coolant from the recovery reservoir in to a clean container.

Installation Procedure


    Object Number: 540105  Size: SH
  1. Install the coolant recovery reservoir (3) onto the lower retainer and the shock tower studs.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the coolant recovery reservoir nuts (2) to the shock tower studs and tighten to 3.3 N·m (29 lb in).
  4. Lubricate the reservoir hose with clean water. Route the hose to the radiator overflow neck fitting.
  5. Install the coolant reservoir hose (1) to the overflow neck fitting.
  6. Install the reservoir hose and clamp (1), with the clamp tabs at the 11 o'clock position, to the radiator overflow fitting on the radiator filler neck. The hose end must be flush against the radiator filler neck. Seat the clamp squarely between the radiator filler neck and the flared end of the fitting.
  7. Fill the coolant recovery reservoir to the proper level.

Coolant Recovery Reservoir Replacement LS4

Removal Procedure

  1. Remove the front fender upper diagonal brace. Refer to Front Fender Upper Diagonal Brace Replacement.

  2. Object Number: 1524222  Size: SH
  3. Reposition the coolant recovery reservoir hose clamp aside at the radiator overflow fitting.
  4. Disconnect the coolant recovery reservoir hose from the radiator overflow hose.
  5. Remove the coolant recovery reservoir nuts from the shock tower studs.
  6. Remove the coolant recovery reservoir from the lower retainer and the shock tower studs.
  7. Drain the coolant from the coolant recovery reservoir into a clean container.

Installation Procedure


    Object Number: 1524222  Size: SH
  1. Install the coolant recovery reservoir to the lower retainer and the shock tower studs.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the nuts to the shock tower studs and tighten to 3.3 N·m (29 lb in).
  4. Lubricate the reservoir hose with clean water. Install the coolant reservoir hose to the radiator overflow hose.
  5. Position the coolant reservoir hose clamp to the radiator overflow hose fitting.
  6. Install the front fender upper diagonal brace. Refer to Front Fender Upper Diagonal Brace Replacement.
  7. Fill the coolant recovery reservoir to the proper level. Refer to Cooling System Draining and Filling.