Renix cooling upgrade

Installing a Radiator with a cap on my Renix XJ

While I had my engine out, I decided to upgrade the cooling system.  I have always had trouble with the pressure bottle and getting the cap to seal.  I had already ordered a new cap when I decided to make the change.

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Longer front brake line Jeep XJ

Fitting TJ brake lines to my XJ and freeing stuck bleeder screws.

For years I have been running with the stock brake lines with my three inch lift. I just unbolted and rearranged the metal brake lines to get enough droop.

Occasionally however, I will snag something and give some undue stress on the brake lines. After one of my wheelign partners broke a brake line on the last trip out, I decided to make an upgrade.

For various reasons, I did not want to go with braided stainless teflon lines. I wanted to stay with stock DOT style rubber lines.

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Jeep XJ muffler repalcement

Using a Thrush Glass pack to get more clearance

For years I ran a straight pipe on my Jeep. I liked the sound but after hours on the trail the noise would get to me.

So a couple of years ago, I replaced the entire exhaust system with stock style components. The truck has been nice and quite since then.

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Jeep XJ HVAC controls revisited

Replacing a Vacuum Check valve in the HVAC system

Even after repairing the main vacuum line in my HVAC controls I still had the problem that under prolonged acceleration, the vents would loose vacuum and switch to the Defrost setting. This problem is often caused when someone deletes the vacuum bottle behind the front bumper. However, my bottle is still in place behind the stock bumper.

I studied the vacuum diagram and saw there is a check valve where the source connects to the intake manifold. I tested mine by blowing through it. I could easily blow both ways so the check valve is bad.

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