Exception in rendering!

Message: window is not defined

ReferenceError: window is not defined
    at new c (/tmp/execjs20161208-83728-1am1boejs:136:3912)
    at m.mountComponent (/tmp/execjs20161208-83728-1am1boejs:47:15602)
    at /tmp/execjs20161208-83728-1am1boejs:49:31860
    at a.r.perform (/tmp/execjs20161208-83728-1am1boejs:47:12503)
    at Object.a [as renderToString] (/tmp/execjs20161208-83728-1am1boejs:49:31821)
    at r (/tmp/execjs20161208-83728-1am1boejs:50:21164)
    at Object.S.ReactOnRails.serverRenderReactComponent (/tmp/execjs20161208-83728-1am1boejs:32:6073)
    at eval (eval at <anonymous> (/tmp/execjs20161208-83728-1am1boejs:173:8), <anonymous>:10:23)
    at eval (eval at <anonymous> (/tmp/execjs20161208-83728-1am1boejs:173:8), <anonymous>:17:3)
    at /tmp/execjs20161208-83728-1am1boejs:173:8

Q: 1979 GMC Van is overheating

asked by on

We drive a '79 GMC Van and it's heating up like crazy. We had recent oil changes, transmission serviced, radiator flushed. We had the radiator cap changed, thermostat checked and all the fluid levels are good. Any idea what could be bad?

A: I have a video &quot;How to Fix an Overheat...

I have a video "How to Fix an Overheating Car". You should watch it because it has to be one of those things that make it overheat. The only other thing it could be is if your catalytic converter is clogged up. It will make the engine overheat but for that you can get it tested. Any good mechanic can place pressure gauges on before and after to test and see if there's a bunch of pressure before the catalytic converter, like 8 or 10 PSI, and if there is hardly any after. If so, the catalytic converter is clogged up causing the car to overheat.

As I mentioned before, try all of the tests in my video. It's got to be one of those issues or a clogged catalytic converter. Also, I'd recommend having a certified mechanic take a look at your car to diagnose and fix your overheating problem if it persists.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: Alarm going off when starting

This will generally occur when the key is not recognized by the vehicle. Try another key if one is available. If the vehicle is still having an issue with he other key the anti-theft system will need to be accessed...

Q: Upon starting, loud noise from catalytic converter

If the catalyst is broken inside the converter housing of your 2001 Mercedes E430, then you may get some loss of power due to increased back pressure from partial blockage created in the converter. This can also lead to increased...

Q: Van squeaking and not starting all the time.

Assuming that the battery is good, yes a jump start will give it enough power to start the van. As for the overheating issue, since it is intermittent the most likely cause is air in the system. I would recommend...

Related articles

What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
How Long Does a Heater Control Valve Last?
Keeping the right amount of coolant in a car is essential in keeping the engine at the right temperature. Failing to have the right amount of coolant or even bad elements...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.