Carburetor (E2SE Varajet) - High Throttle Effort
Bulletin 86-6C-3Date Oct. '86
Ref. No. 86-178-6C
SUBJECT: HIGH THROTTLE EFFORT
MODELS AFFECTED: 1982-85 SKYLARKS WITH THE 2.8L (LE2) ENGINE (VIN CODE X OR Z) 1986 CENTURYS WITH THE 2.8L (LE2) ENGINE (VIN CODE X)
Some vehicles equipped with the 2.8L V-6 engine and the model E2SE Varajet Carburetor may exhibit a complaint of high effort required to depress the throttle pedal.
CARBURETOR MODIFICATIONS:
A service kit, Part No. 17111751, is now available to service this complaint. The service kit contains all the parts necessary to modify the carburetor and an instruction sheet and illustration are shown.
NOTICE: The pump lever attaching screw is self-tapping, and formed its own threads when it was installed at the factory. To avoid destroying the formed threads, the carburetor should be at room temperature before the pump lever attaching screw is removed.
1. Remove air cleaner assembly.
2. Remove pump link retainer (13).
3. Remove pump lever attaching screw (A).
4. Disconnect pump lever (14) from pump link (68).
5. Hold throttle wide open and remove pump link (68) from throttle lever.
6. Remove throttle position sensor (TPS) plunger (32).
- Discard pump link retainer, pump lever attaching screw, lever, link, and TPS plunger.
7. Install new TPS plunger (32).
8. Hold throttle wide open, and install new pump link (68) in throttle lever.
9. Connect new pump lever (14) to pump link and install with new pump lever attaching screw (A).
- Tighten attaching screw to 60 in.lbs. (6.8 N-m).
10. Adjust TPS following procedure found in Section 6E1, "Driveability and Emissions-Carbureted," of the Buick Service Manual.
11. Install air cleaner assembly.
WARRANTY INFORMATION
Labor Operation Number: T1169
Labor Time: .9 Hours
Trouble Code: 92