Need to know which carpet and where it's located in the truck.
Your leaking at your clearance lights. You will have to take out your storage compartments above your windshield and use silicone caulk around the inside screws for the lights and then you will have to also caulk around the lights and the screw holes on the outside around the clearance lights.
The orifice tube is located on the inlet port or the primary evaporator on the passenger side of the firewall. It is nearly hidden behind/between the heater vertical hoses.
It's a Peterbilt 379
The turn signal flasher relay switch, on a Peterbilt 379, is located under the dashboard. The relay simply plugs in.
Right side of the vehicle, under the hood, on the firewall, inside the HVAC compartment.
2007
First indication is model year. The 379 replaced the 359 in production in 1987, and was manufactured until 2007.
How do you ajust the door on a 379 pete
1987
Peterbilt 379
Dana-Spicer