Common Issues with the Jeep Cj7 Air Filter Heat Shield
Without a Jeep Cj7 air filter heat shield, your vehicle's engine may choke, resulting in reduced engine performance. Basically, air filters are designed to help your Jeep's engine to breathe more easily by filtering small particles of dirt-preventing them from entering the system. An air filter heat shield on the other hand, helps divert hot air away from the air filter letting dense and cool air get sucked through the filter. If the air filter's heat shield fails, hot air will enter your engine, which decreases its overall power output. Here are some of the most common air filter heat shield issues encountered by Jeep Cj7 owners, and the factors behind them:
Signs of smoke
When you notice black smoke from your Jeep's tailpipe or under the hood, it could be from a dirty air filter. Dirty air filters are caused by oil contamination or a faulty heat shield. Holes or cracks on your air filter heat shield can allow oil and dirt particles from the engine clog the air filter's filtration system. Let your engine cool down before inspecting the air filter heat shield. Check the heat shield for the telltale signs of damage like cracks or holes. Replace the damaged heat shield and dirty air filter to avoid engine problems.
If you are experiencing hard starting or engine chokes, you might assume that your air filter is clogged or dirty. Yes, a dirty air filter is usually the cause of these problems, but what if the root cause of the issue is the heat shield? A faulty or damaged air filter head shield allows heat from the engine bay to enter the air filter, resulting to engine chokes and an increase in fuel consumption. It's better to remove the air filter heat shield and replace it with a brand new one.
Air filter heat shields are usually secured by screws or bolts. Due to engine vibrations and varying road conditions, these heat shields may come loose and start to rattle inside the engine bay. Stop your car, and let the engine cool. Tighten loose bolts and screws to secure the heat shield to the air filter's tube.