97 Jeep Vacuum Line Diagrams. 1997 2006 jeep wrangler tj. Line diagrams 97 jeep vacuum line diagrams 9 out of 10 based on 10 ratings.
A 52l 98 zj grand cherokee had the heatac vent direction stuck on defrost. This is the line that starts at the manifold and runs across the back of the firewall with a branch to the heater control speed control and finally to the vacuum reservoir under the battery. You may have knocked off a vaccum line or forgot to put one back on check all electrical connections also make sure the coolant temp sensor is hooked upheres a couple of diagrams to help you locate sensors i circled and check vaccum lines ones for a 25 and a 40 engine.
Dont forget lines to the brake booster could be at fault.
It should have a diagram under the hood. Tac thermostatic air cleaner. Jeep vacuum diagram abbreviations. It is the best auto technician database available today.