Question about Chevrolet Monte Carlo

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My 98 Monte Carlo is leaking (spraying) coolant all over my belts, can't find leaks in hoses or radiator, possibly water pump seal?

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Replace water pump.

Posted on Jul 30, 2009

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Could be that the rubber seal may have given way, however start the engine and look into the bonnet to confirm the diagnosis..............sodeep

Posted on Jul 30, 2009

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2002 monte carlo ls 3.4l Fill coolant reserve up when car cold. Run car till reach normal temperature. Check coolant reserve, coolant gone. No leaks, no coolant smell. Where is it going?


there is either a pocket of air or the car is burning the coolant if there is no leak. check inside the car for any coolant leaking under the dash if so the heater core has a hole in it.

Apr 22, 2015 | 2002 Chevrolet Monte Carlo

1 Answer

Losing a lot of coolant. I don't see a leak. I started to drain the system and it smells burnt to s**t. What might my problem and possible solutions be?


see this causes and fix it. God bless you
Water pump -- A bad shaft seal will allow coolant to dribble out of the vent hole just under the water pump pulley shaft. If the water pump is a two-piece unit with a backing plate, the gasket between the housing and back cover may be leaking. The gasket or o-ring that seals the pump to the engine front cover on cover-mounted water pumps can also leak coolant. Look for stains, discoloration or liquid coolant on the outside of the water pump or engine.
Radiator -- Radiators can develop leaks around upper or loser hose connections as a result of vibration. The seams where the core is mated to the end tanks is another place where leaks frequently develop, especially on aluminum radiators with plastic end tanks. On copper/brass radiators, leaks typically occur where the cooling tubes in the core are connected or soldered to the core headers. The core itself is also vulnerable to stone damage. Internal corrosion caused by old coolant that has never been changed can also eat through the metal in the radiator, causing it to leak.
Most cooling systems today are designed to operate at 8 to 14 psi. If the radiator can't hold pressure, your engine will overheat and lose coolant.
Hoses -- Cracks, pinholes or splits in a radiator hose or heater hose will leak coolant. A hose leak will usually send a stream of hot coolant spraying out of the hose. A corroded hose connection or a loose or damaged hose clamp may also allow coolant to leak from the end of a hose. Sometimes the leak may only occur once the hose gets hot and the pinhole or crack opens up.

Sep 28, 2012 | Cars & Trucks

1 Answer

My 1995 Chevy Monte Carlo is sometimes running hot. My overflow tank remains full. But the radiator is losing water somewhere but I see no water on the ground or anywhere else. When I take the radiator...


indicates an air lock in the cooling system
could be from a failing head gasket ( do a compression test)
have a coolant pressure test done to find the leak
possible a water pump seal leaking when running
check sump oil for greying color ( failure of the housing behind the pump impeller

Apr 15, 2017 | 1995 Chevrolet Monte Carlo

1 Answer

Antifreeze leaking


This is due to leak in the radiator or the hose or the water pump. In all cases your observation is MOST important as the visual check will give you the exact point of leak. fill up the radiator with coolant if there is a low level , check the pressure cap on the radiator. now if the engine is heating too much then the tuning /timing must be looked into. other wise the leak can be seen and the part replaced be it the radiator, hose or the water pump or bearings.

Jul 22, 2011 | 2004 Chevrolet Monte Carlo

1 Answer

My low level coolant light keeps coming in on my 1998 chevy monte carlo. level is good. any suggestions?


evidently there is a leak. I would check the hoses, thermostat housing, drain **** for radiator and the fins on the radiator for fluid leaking. The water pump housing and at the weep hole is another place to check. If it is leaking from the fins they do sell a stop leak. Hope this helps tim

Aug 29, 2010 | 1999 Chevrolet Monte Carlo

2 Answers

My car is leaking coolant and overheating


also check bottom hose to water pump..
could also be the radiator itself depending on where the leak is

Mar 17, 2010 | 1997 Chevrolet Monte Carlo

2 Answers

1998 chevy monte carlo leaking coolant


It's a 99% chance of water pump leak or the housing at the timing chain that the water pump sits on.
Water pumps can and do leak one minute then seal themselves.
A cheap fix most use is go to a 7 lb pressure cap on the rad.

Aug 08, 2009 | 1998 Chevrolet Monte Carlo

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