Any mechanics out there?

  • We are currently upgrading MFK. thanks! -neo
rmorse;3872320; said:
check the spark plugs (if there is green buildup on it).

if there is green buildup or corrosion is it blown?
 
Its probably not too hot in Ohio right now, so.... My instinct would tell me: either the hose leading to the thermostat is pinched & not allowing flow, or there's a hunk of rust blocking a coolant hose somewhere. If not, I would check the fan/fan belt & maybe swap it for an electric fan.

What temp is the new thermostat? They sell about a thousand different t-stats for fuel-injected GM 350's. Just because its the right size doesnt mean the wax pellet inside will melt at the right temp...

If you aren't losing coolant, smelling something "sweet", or seeing white smoke from the exhaust, I wouldn't look at the head gasket yet. Thats usually the effect of overheating, not the cause.
 
JakeH;3872578; said:
Its probably not too hot in Ohio right now
no lol its ice cold expecting 8" today but this was happening in a little bit warmer weather probably low sixties at the time Im not sure if this changes the results all that much
as for a specific temp I cant help its just a red to blue gauge in the cluster
 
dpk2313;3872495; said:
if there is green buildup or corrosion is it blown?


It can be a sign....means coolant is leaking into the engine.

JakeH;3872578; said:
If you aren't losing coolant, smelling something "sweet", or seeing white smoke from the exhaust, I wouldn't look at the head gasket yet. Thats usually the effect of overheating, not the cause.



How do you figure? A head gasket blows, and then coolant leaks into the engine. Coolant not flowing properly = overheating.
 
Could be a timing issue also - 199xxx miles - a worn out distributor gear could cause timing to be off slightly. Happened on my 63' chevy. I would also check the simple things as stated above - hose, obstructions, etc. "New" doesnt mean new nowadays -more like "remanufactured", loose term for rebuilt cheaply, so some of the new parts might be bad. That has kept me scratching my head more than once also. Some one said clutch fan, but I think your Burb has an electric fan (might be wrong here) so an iffy relay might be keeping your fan from kicking in. Good luck.
 
I think some of the parts are brand new or from advanced auto parts and others are from pull apart my cousin did most of the work he was a mechanic and still builds and rebuilds cars and bikes for leisure and side money but he has recently moved to Maryland about 8 hours away which sucks for me.
I trust his work but I'm not ruling out that he could have made a mistake or install a bad part etc.

I checked the spark plugs no green build up that I noticed also no sweet smell coming from the exhaust, heat, or engine that I noticed. i tried to check the exhaust but in this cold all exhaust looks white no lingering smoke tho. The coolant levels seem fine tho I haven't been driving it. The temp stayed level but I probably ran it for less then 15 minutes in about 10* weather so I guess I wouldn't expect it too
I really appreciate all your help
 
when you blow a head gasket you will blow white smoke out of your exhaust , you need to make sure your heater core is not plugged , as well as the heater control valve, it could also be the coolant temperature sensor which contributes more to emissions and also the temperature switch it works the inside gauge as well as controls the radiator fan when it should kick on , make sure your radiator fan is working . Hope this helps
 
Cakilla;3873605; said:
when you blow a head gasket you will blow white smoke out of your exhaust ,
this is only true when the headgasket is completely blown. If the gasket has a very slight hair line tear you won't see this effect. I would start with the cooling system to look for a bent hose. Overheating is due to your coolant system not performing like it should. Something is out of whack on your cooling system.
 
FishNCash;3873656; said:
I would start with the cooling system to look for a bent hose. Overheating is due to your coolant system not performing like it should. Something is out of whack on your cooling system.

I know very little about car repair, so would I just follow the hoses from my raidiator and coolant to their destination looking for kinks along the way?
 
rmorse;3873305; said:
How do you figure? A head gasket blows, and then coolant leaks into the engine. Coolant not flowing properly = overheating.


Thats true, but there would be other symptoms show up before overheating in that case. You can overheat without having a blown head gasket. Besides, there's nothing here to suggest the gasket is blown. We asked. However, overheating can sometimes result in a blown HG if you keep driving & the heads warp.... Bottom line: Overheating can easily cause head gasket failure, but HG failure is usually caught well before it can cause overheating.

This guy should definitely get the cooling system sorted out first. If it all checks out, then start spending money looking for hairline cracks in the HG.
 
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