is my exhaust over heating my car??

[sbcherokee]

the tube that goes from the catalytic converter to the air cleaner is making my car over heat.... i do not know why ... any ideas on what may be causing this? the motor is a 2bbl 4af in a 88 sr5 coupe

[eberbs1]

I have had that hose plugged for 2 years and never had an issue.

[Flashmn]

the tube that goes from the catalytic converter to the air cleaner is making my car over heat

I would doubt so the tube doesnt go from cat to air clenaer, rather from air cleaner to cat. Its an air injection system that flows fresh air into the cat to make it work properly, plugging it can cause other issues.

Your overheating is something else, I would check the cooling system.

[ayang951]

look into the thermostat, the water pump hose in the rear of the motor and the heater core and hoses... that might be your culprit, i had one of those symptoms on my car, it over heated once, looked at it, and it was the water pump hose in the rear, so i replaced all of them including the water pump, i spent about $80 on all parts new and installed...

[sbcherokee]

Originally Posted by ayang951

look into the thermostat, the water pump hose in the rear of the motor and the heater core and hoses... that might be your culprit, i had one of those symptoms on my car, it over heated once, looked at it, and it was the water pump hose in the rear, so i replaced all of them including the water pump, i spent about $80 on all parts new and installed...

i have search all these and replaced every cooling system part possible. that pipes blowin hot air into the carb and the overheat is not showing on the gauge... the reason i know it is it, is because i unhooked it and the problem stopped its very confusing

[sbcherokee]

could it be that something has clogged the converter without my knowing and the exhaust is coming out of that pipe? the car runs alot better with that hose so i wld really like it hooked up

[ayang951]

hrm, idk then... i have never owned a carb 4af before...

[JimBowNut]

Well Cats do clog up and have to be replaced sometimes..........Take your Cat off and run a 'TEST PIPE' to see if that is the real problem........Sometimes the exhaust manifold will glow red at when you look at it at night.........Idk, take a look at that first.?

'(glows red when clogged)'