Installation Procedure

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

Install the wiper blade onto the wiper arm. Refer to WIPER ARM BLADE REPLACEMENT .
Install the wiper arm onto the wiper transmission driveshaft.
Important: Hold the measuring device at 90 degrees (perpendicular) to the wiper blade tip.
Measure the distance from the wiper blade tip to the solid edge of the windshield blackout. Position the wiper arms at the following distances:
- LH-40 mm (1.57 in) above the glass blackout.
- RH-160 mm (6.30 in) below the glass blackout.
  
  Fig 1: Measuring Distance From Wiper Blade Tip To Solid Edge Of Windshield Blackout
  Courtesy of GENERAL MOTORS CORP.
Install the wiper arm nut onto the wiper transmission driveshaft.
Tighten

Tighten the nut to 48 N.m (35 lb ft).
Install the cover on the wiper arm nut.
Important: Lubricate the washer hose with the windshield washer solvent to ease installation on the washer nozzle.
Install the washer hose to the washer nozzle.
Inspect the wipers for proper operation.

Fig 2: Installing Wiper Arm Nut Onto Wiper Transmission Driveshaft
Courtesy of GENERAL MOTORS CORP.