Bravada V6-262 4.3L VIN Z (1991)
6.
Route the vacuum line under the dash to the glove box area (Figure 3).
7.
Open the glove box and remove the rear panel to gain access to the rear of the dash. It will also be necessary to remove the insulator assembly
under the dash for full access. Locate the Max A/C vacuum line going to the plenum valve and the air recirculation door valve. The line is black
plastic with an orange stripe.
8.
Cut the line and insert Tee coupling (P/N 6272766)(Figure 3, View A). Use 2.4 mm (3/32 in.) rubber vacuum line for the couplings. Install the
added vacuum line to the bottom leg of the Tee.
9.
Reinstall under dash insulator and the rear panel of the glove box door.
10.
Add the coolant back into the cooling system. See page 6B1-9 of the 1991 Bravada Service Manual.
