Q: High priority - Chevy 454 overheating

asked by on July 22, 2017

I have a chevy 454 that overheats, there is definetly a coolant leak but it doesnt leak till driving, and doesnt leak a lot. There is a white smoke upon startup and after driving about 10 minutes. it drove just fine last month. It's been driving about 15 blocks every week with no noticable issues till today. Engine oil was recently empty but now overfilled. Has a bit of hard starting too, needs me to pump the gas. Is also nearly silent at an idle. Any help would be greatly appreciated. Currently stranded

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing


Experienced Mechanic?

Earn up to $70/hr

What others are asking

Can I transport passengers in the cargo area?
Passengers should never, under any circumstances, be in the cargo area of your car when the vehicle is in motion. The cargo area does not have sufficient safety features for passengers, and it is an illegal place for a passenger...
Where are the power outlets located?
It’s important that you be able to charge your cell phone and use other accessories while you’re in your car. To help you do that, Nissan has included two power outlets (both are 12v rated for 10 amps). Here’s where...
Engine chugs while acceleration
While adding sea foam and replacing the fuel filter are very good services for your truck, I wouldn't expect them to fix your issue. Usually, this is a sign there is something binding in the drive train or wheels. There...
While driving at low speed trunk shifts into neutral?
Hello and thank you for your question. If your 2005 Chevrolet Silverado 1500 is shifting the transmission or transfer case into neutral, then there may be a problem with the shifter on the column or floor if you have a...
My hazard lights wont shut off. The button wires have been cut for awhile but now the hazards won't shut off and I pulled the fuse to no avail.
Hi there. It sounds like you're getting feedback through the circuits; this is when a normally off circuit gets power or ground from another circuit through an open or short. You'll need a digital volt/ohm meter, the electrical wiring diagram,...
Check engine light comes on while driving. My vehicle started jerking while driving. I was told it may be the camshaft sensor.
Hi there. When your car is jerking around, this means that the engine is having a misfire and causing the engine to stumble making the vehicle seem to jerk around. Check the camshaft position sensor for any damage and if...
I have a 454 big block chevy suburban 85 c20 rwd and it seems to stall and misfire not allowing me to accelerate or even stop it f
Hi there. Typically when I see this issue on big block chevy engines, the first thing I do is check the distributor first. Verify the cap is not cracked, rotor is good, and the distributor is solidly mounted to the...
2005 Saturn Ion has a hard time starting, indles roughly and then dies.
Hi there. The ticking noise in this case most likely was coming from the cylinder heads (or the top of the engine) and the components inside that were not receiving enough lubricant (oil) as the engine runs. Most of the...
I've changed valve seals and all gaskets I'm getting gray smoke from tailpipe in 2000 Silverado
Gray smoke suggests burning oil but you can use a scan tool to look at fuel trims and see if perhaps rich operation is contributing to the problem as well. With regard to replacing the seals, if the valve guides...

Related articles

The Best Used Cars to Buy If You Live in a City
Living Living and driving in the city means you’re faced with parking constraints, narrow streets, and the constant stop and go of traffic. With all of that said when you’re ready to purchase a used vehicle these are all things...
How to Replace and Fit Flexi Blade Windscreen Wiper Blades
Windshield wipers go bad when there is streaking on the glass, screeching sounds, or bouncing blades on the windshield.
How to Replace a Tailgate Locking Assembly
The tailgate locking assembly controls the lock and can be activated from a key fob or the driver lock controls.