--Oz--

My 94 Toyota pickup warms up slowly after a rebuild (timing chain skipped) at 180K and 20 years.

I had them replace the radiator, all the coolant hoses, and thermostat (and the rest of the items in a rebuild). I live in southern California; rarely does it get below 60F. For 20 years the water temp gauge would get up to temp (~35% on the gauge) in ~3 minutes.

After the rebuild it takes 9 minutes to get the water temp gauge to ~5%, barley past the cold mark on the gauge. In an 80 mile trip, same thing, just sits a hair over the cold mark.

I first put my old thermostat back in and same. A month later, for the hell of it, I turned the heater core to hot (open valve), fan off and re-circulate mode, this way no hot air is flowing into the cab, but water is running though the heater core, BINGO, it’s back to heating up quickly and the temp gauge is back to ~35% mark. I normally never use the heater, just leave it on cold and fresh air mode.

Any idea’s where to start looking, thanks in advance.

wyoming9

iTrader: (1)

Sounds like either the coolant level is to low

This still has air in the system

Remember the temperature gauge sending unit needs to be in coolant to work correct.

Then whom ever did the work could have hoses on wrong!!

Some garages unless they are really Toyota People are quite clueless about these engines and the little tricks