Leigh sent me a message with a picture of an automotive thermostat that had a small hole drilled in it out towards the edge a day or two ago and was wondering if I had ever heard of this trick.
I replied that yes I had and had been doing that for years.
It’s a good tip to pass on, that’s what us mechanic types do.
Anything to make life easier for the next guy, especially if we have run into some crazy nightmare bullshit and have figured out an easy way to fix it.
It just so happened that I decided to go out and change the thermostat on my Caballero this morning as a bit of precaution since I started having problems with it.
The old thermostat is on the left and the one I put in is on the right.
The little hole helps air to escape which is especially helpful these days on engines that are prone to getting air pockets trapped in the cooling system and it also seems to help them operate more smoothly so you don’t get the thermostat slamming open and shut as the engine warms up.
Hopefully this will be the end of any cooling system issues.
The gauge doesn’t work right in the first place because the flexible printed circuit board behind the instrument cluster has got bad contacts on it somewhere and these older GM rigs were notorious for that. You can still find them for some rigs but not for this fucker apparently because I have looked.
The GMC version of the El Camino had a different gauge package than the Chevy version.
I have a little after market 3 gauge set that I think I am going to install to get past this issue.
The only problem there is that it isn’t going to help the gas gauge not working issue.
I have been using the trip odometer for that since the day I bought it and found out the gauges are fucked up.
I put gas in it every 100 miles whether it needs it or not.
Amazingly enough, at 37 years of age, the old bastard still gets 20 miles to the gallon.
This is a good thing because it only has a 10 gallon tank.
I can’t believe they didn’t put a bigger tank underneath the ass of these things.