For 1990-2009 cars

# CONVERTIBLE REPLACEMENT PARTS NUMBER 2 BOW ACTUATOR

#### SUBJECT: NUMBER TWO BOW ACTUATOR (REPLACEMENT PARTS AND PROCEDURE)

VEHICLES AFFECTED: 1990-91 F-CAR CONVERTIBLE

#### Models Affected: 1990-91 Chevrolet Camaro Convertible 1991 Pontiac Firebird Convertible

Separate service kits are available to service the right hand and left hand number two bow actuators.

Each service kit contains the following parts, as shown in Figure 1:

Right Hand Number Two Bow Actuator Service Kit -P/N 12504750 Left Hand Number Two Bow Actuator Service Kit - P/N 12504751

- Jam Nuts (106 and 112) - Nuts (110 and 116) - Washers (107, 109, 113 and 115) - Number Two Bow Actuator (111)

The following procedure outlines how to properly replace the number two bow actuators, please note your Service Manuals accordingly. Use the most applicable Labour Operation and Time from the Canadian Labour Time Guide.

#### NUMBER TWO BOW ACTUATOR

Figure 1

#### Remove or Disconnect

- Unlatch the number one bow. - Unlatch and raise the number five bow. - Raise the tonneau panel and lower the top halfway.

1. Jam nuts (106 and 112) from the number two bow pivot link (108) and number three bow center link (114) attachments.

2. Washers (107 and 113) from the number two bow pivot link (108) and number three bow center link (114) attachments.

3. Washers (109 and 115) from the number two bow actuator (111).

4. Number two bow actuator (111).

#### Install or Connect

1. Number two bow actuator (111) with washers (109 and 115) to the number two bow pivot link (108) and number three bow center link (114).

The number two bow actuator (111) is supplied with nuts (110 and 116) already torqued to 5 N.m (45 lb. in.).

#### Important

- Be sure the number two bow actuator (111) curves away from the top cover.

- Do not reverse the direction of the number two bow actuator (111).

o The 3/4-inch bend side attaches to the number three bow center link (114) and faces outboard.

o The other side attaches to the number two bow pivot link (108) and faces inboard.

2. Washers (107 and 113).

3. Jam nuts (106 and 112).

#### Important

- Note that jam nuts (106 and 112) have notches in the threads. Be sure they face away from the number two bow actuator (111) at either point of attachment.

- Tighten jam nuts (106 and 112) to number two bow actuator (111) and then back off 1/2 tum so that they do not restrict movement of the number two bow actuator (111).

#### NOTICE: Do not allow number two bow actuator (111) to bend (if improperly installed) or damage may result. Carefully test by raising or lowering top.

- Raise number five bow. - Lower tonneau panel. - Lower and latch number five bow. - Raise and latch number one bow.

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.