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-   -   Antifreeze/Coolant Change Intervals (https://www.yenko.net/forum/showthread.php?t=183457)

Ralph Spears 09-17-2025 10:20 PM
I think ZEREX came in the yellow or gold can, I think the anti-freeze went to plastic jugs when the motor oil also went from cans to plastic bottles

napa68 09-17-2025 10:27 PM
Quote:
Originally Posted by RPOLS3 (Post 1679465)
FWIW - I drain and refill the radiators in the old cars every fall (just did the Chevelle last Saturday). I only put 200-400 miles on each car during the season. Only takes about 20-30 minutes for each car and I feel it's cheap insurance for heater cores and radiators. I use the concentrated anti freeze and distilled water mixed 50/50.
And I thought I was over the top. I salute you my friend:worship: To your point Jake, it is cheap insurance. FWIW, coolant can get an electrical charge to it (aluminum, poor grounds, etc.) That will raise hell with both the radiator and the heater core, to say nothing for everything else!

I also change brake fluid every 5 years (or sooner)

Burd 09-18-2025 02:03 PM
2 Attachment(s)
I’ve never used a add on water pump lube, but I’ve seen it

dykstra 09-18-2025 05:39 PM
Quote:
Originally Posted by napa68 (Post 1679589)
And I thought I was over the top. I salute you my friend:worship: To your point Jake, it is cheap insurance. FWIW, coolant can get an electrical charge to it (aluminum, poor grounds, etc.) That will raise hell with both the radiator and the heater core, to say nothing for everything else!

I also change brake fluid every 5 years (or sooner)
Do you bleed the brakes too or just remove brake fluid from master cylinder and refill?

RPOLS3 09-18-2025 05:58 PM
Quote:
Originally Posted by dykstra (Post 1679659)
Do you bleed the brakes too or just remove brake fluid from master cylinder and refill?
Not sure what Tim does but on the old cars I've been using a turkey baster to suction out the fluid in the master and just refill it every year. On the daily's I take to Brad and have him flush every 4-5 years.

napa68 09-18-2025 07:34 PM
Quote:
Originally Posted by RPOLS3 (Post 1679661)
Not sure what Tim does but on the old cars I've been using a turkey baster to suction out the fluid in the master and just refill it every year. On the daily's I take to Brad and have him flush every 4-5 years.
Quote:
Originally Posted by dykstra (Post 1679659)
Do you bleed the brakes too or just remove brake fluid from master cylinder and refill?

I'll suck the fluid out of the master reservoir, replace it with fresh fluid, and then just do a gravity bleed. It's about a 3 beer event:beers:

dykstra 09-18-2025 11:36 PM
Quote:
Originally Posted by napa68 (Post 1679673)
I'll suck the fluid out of the master reservoir, replace it with fresh fluid, and then just do a gravity bleed. It's about a 3 beer event:beers:
I might have to come up dare and have you show me how to do it............:beers:

67since67 09-19-2025 01:23 AM
Quote:
Originally Posted by dykstra (Post 1679693)
I might have to come up dare and have you show me how to do it............:beers:
And when the job is done...go for a ride...and then make an appearance at the Boulder Beer Bar :beers::beers:

Burd 09-19-2025 03:37 PM
I went to Dot 5, it’s been in there 24 years. Wonder if that needs a flush.

napa68 09-19-2025 03:43 PM
Quote:
Originally Posted by dykstra (Post 1679693)
I might have to come up dare and have you show me how to do it............:beers:
We can hatch a plan at MCACN:beers:


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