Section 3 – The Vacuum Canister The black canister that sits under the hood just behind the driver’s side headlights has several vacuum lines coming off of it. Let’s take a look at where they go. In Section 2, we named two of these lines A and B. We will trace them to this canister […]

Section 2 – Hard Lines in front of the block Since this is a new section, please allow me to again use A, B, C, etc to name the vacuum lines. I think you can keep things straight since we are talking about a totally different section of lines than in Section 1. This section […]

Section 5 – Miscellaneous vacuum lines and hoses This short hose piece is difficult to see, but if it’s bad, it may cause problems. There is a short vacuum nipple near the throttle bracket. A short vacuum line connects it to other lines with a “T”. Two lines come from near the firewall, which join […]

Nissan 720 Pickup Truck Vacuum Line Hose Routing by: Fastboatman Many states require people to keep their factory carb and vacuum lines because of emission laws. Some of us have trucks that run pretty good with stock carburetors and vacuum lines. Other owners might have trouble getting their truck to run right with stock carbs […]