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I have a 2002 dodge grand caravan 3.3 L engine my engine overheats and loosing coolant but no sign of leak under. New thermostat, radiator and flushed system but coolant slowly leaks. No white smoke

Top it off while cap is off and it is idling. You will see little bubbles. At first just a few. Like a newly opened soda pop bottle. Over a few weeks more bubbles will be there.
This is a head gasket.
If there are no bubbles I'll be surprised. But if there are none then have your water pump looked at.
Do the bubble test first. And then you can feel lucky if it's the waterbounp. Do not do the water pump until you check for bubbles.

Jan 14, 2018 | Dodge Cars & Trucks

1 Answer

Can a weak radiator cap cause bubbles on overflow

Yes it can be the cause, but a leaking head gasket or system overheat can also cause the bubbles.

Jan 11, 2017 | Cars & Trucks

1 Answer

Reload bubbles,iq

reload bubbles?? didnt know you had to reload bubbles on a modern vehicle ? is this one of them new GREEN cars that run on alternative energy fuel

Oct 29, 2014 | Cars & Trucks

1 Answer

Bubbles transmission fluid

I'm not sure the bubbles are telling you anything. When the transmission or power steering is working, you can have bubbles in the fluid.
One possible cause for the stalling at stops is a faulty torque converter lockup solenoid.

Jun 21, 2013 | Buick Cars & Trucks

1 Answer

I have a 2002 Lincoln LS V8 the temp is reading fine and it is not overheating, but the water begins to bubble in the reservoirs. I let the car sit and run for 5 hours and there was no bubbling, but after...

better check your oil and make sure yu arent getting water in it first. is it running rough at all? 2 things come to mind-an air lock which should cause it to overheat or a bad head gasket causing the air bubbles

Mar 30, 2013 | 2002 Lincoln LS

2 Answers

I am looking to buy a Mercedes GL 500, model 2009. One of checks a friend of mine does before buying a second hand car is to start the engine and then open the hood and remove the oil cap, according to him...

oil bubbles ? oil splashes under valve covers across the valve train opening the valve cap may get oil splash-- but oil bubbles oil may foam a bit from being old or if coolant got in it and wouldnt bubble out of cap but bubbles --- and oil splash is normal when opening oil cap with vehicle running

Sep 10, 2017 | 2009 Mercedes-Benz GL 500

1 Answer

My tire is making thumping noise

THUMPING TIRE: Check the tires for a Bubble, even new tires can have a Bubble. If you don't see a Bubble just slide your hand around on the sidewalls and tread feeling for a bubble...OR Take it back where you bought the new tires.

May 04, 2012 | 1999 Pontiac Sunfire

1 Answer

Air bubbles in radiator

when the motor is off open the lid and slowly squeeze the top radiator hose and it will bubble the antifreeze at the radiator some may spill out but after u squeeze it simultaneously it shouldnt bubble anymore and then just refill what spilt out

Feb 20, 2012 | Holden Rodeo Cars & Trucks

1 Answer

Coolant bubbling in resevoir

I assume the coolant is not actually boiling and that the coolant is bubbling even when the engine is relatively cold. If so this would indicate a blown head gasket. Exhaust gases are escaping from a cylinder into the coolant passageways at the head gasket junction

Jun 03, 2010 | 2000 Chevrolet Blazer

1 Answer

Bubbling sound when I cut my 06Pathfinder off but not running hot

Hi,check if the reservoir cap is tight, it should be,,,,,,,,,,check the fluid level.....

Nov 12, 2008 | 2006 Nissan Frontier

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