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Run it. If its not boiling over.
If its boiling fix whatever isnt holding pressure.
Heater core intact?
Just dealing with this on another brand. Custom rad to fit truck. Boiling over. Cap was not holding pressure.
Tested cap. Was good. Cap wont seal...
Its a 49 ihc truck body on a 75 blazer chassis. 350/4 bbl and headers.
1975 engine. Quadra-jet. I just overhauled carb as there was no change on idle mixture screws.
That improved engine running.
I replaced timing...
As i see there is a group of very knowledgeable people here, i would like to ask a question.
Im having a cooling issue with a non mopar,custom...
A great read.
Lots of minds working together.
All banging away narrowing down every possibility.
A couple things. The chemical test proved...
I use the universal long life in everything. Due to low temps in winter i keep a 50/50 mix.with the green stuff being good for two years, i prefer...
Im referring to whichever one you claim doesent work.
I doubt its your rad. No point jumping to conclusions without an operating temperature gauge.
Step 1. Get a temperature gauge. Fix existing or install an aftermarket.
Fill engine with proper ratio of coolant and go for a ride.
Last time i saw anything like that,well lets face it-i have never seen anything like that. The cooling system has to be pretty badly polluted to...
The possibilities are endless. Cracked head,bad or wrong cap
Worn out water pump to name things not mentioned.
In my case i use an epoxy putty, rough up a flat washer and bond it into place. I need durability more than the perfection. If...
There are also heater hoses available that step up to the next size on one end.
I contact cement to the removeable part. Depending what the gasket is sealing i will either grease other side or silicone.
the rad hose off test isnt really the best test.
Depending how you were adding water to the system the flow from the hose would taint the...
I bought the test kit for testing for combustion gases in coolant. Works very well.
Glad its been ruled out.
Use blue loctite!
Its a thread sealant too. Also prevents bolts from siezing.
Also anither good point, if a bunch of scale was settled in block,it could be carried up into rad. Could be plugged.
The corrugated hose creates a lot of turbulence, disrupting flow.
Bypass hose is right below upper rad hose/ thermostat housing.
If heater core isnt flowing, its a big issue,a hose to bypass it is fine but it...
I have witnessed a slipping impeller, one broken one,and one that was too far away from casting to be efficient.
Slipping belt? No brainer. It...
I would consider the water pump a cheap test. Replace it. They corrode and clearance inside the housing increases between impeller and the...
Here ya go[ATTACH]was like this on rad inlet side -top to bottom.
I use universal long life. One product on the shelf, compatable with everything.
I had an issue with a plugged rad. Cores blocked 95% with that...
I wouldnt waste my time. Look close at the crimps, they all cracked.little hairline fractures.Mopar coolant=gabbage.
It turns into a...
You are telling me, i was drilling them out and it took quite a long time. Thought,why not give it a shot,the water was the ticket.
Also should mention, may as well have timing cover gasket set, and go ahead and change it. Its gonna leak.
Air hammer. A gentle rattle. While hammering dribble a stream of water behind head of bolt. The water creates a hydraulic effect breaking up the...
Those all look like good deals. I have no advice over fitting in different years.
I should check and see what i can get into my 76.