Question about 1999 Chevrolet Suburban

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I cant find a leak but im having to fill the overflow every three days 1999 suburban 5.3l have changed the water pump, radiator hoses, radiator and cap no coolant on driveway but i have to fill the overflow every 3-4 days

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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psds4
  • 293 Answers

SOURCE: 1998 chev. cavalier cooling system

there should be a bleeder valve on the thermostat housing open bleeder until coolant comes out with no air and tighten top off coolant to mark on coolant jug

Posted on Oct 09, 2008

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  • 16 Answers

SOURCE: Low coolant light keeps coming on

head gasket problem you need to get it to a good garage before you ruin the motor

Posted on Mar 14, 2009

  • 23 Answers

SOURCE: my 1999 chevy malibu water pump leaks what should i do

replace the pump, it's a big job! watch out for plastic parts.

Posted on Apr 01, 2009

  • 6982 Answers

SOURCE: 1991 camaro overheating

There are two freeze out plugs at the rear of the block (V8) and many v6 engines. If coolant is coming from where you say, likely they have failed. Unfortunately, the only way to reach them is to remove engine or transmission, It's rare that they fail because they are "protected " by the bellhousing, but can still rot from the inside out. There is no sealer known to man that will fix this. It's a shame that you need to do all that work for a pair of $2.00 plugs, but that's what needs to happen.

Posted on May 23, 2009

  • 6982 Answers

SOURCE: how to fill radiator fluid in 2003 suburban 2500

I generally have stopped even looking for the drain...half of them don't work right even when you do find them. Far easier and faster is to remove the lower hose. If you have a closed system with no cap on the radiator then fill through the reservoir, otherwise fill through the radiator and add to bottle after you are finished. Run the heat on high while filling and wait for thermostat to open and level to drop before final fill.

Posted on Aug 01, 2009

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1 Answer

What makes car run hot, and leaks water from top of motor around the belts.


you might want to have your water pump checked, and the soft hose replaced

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Coolant resevoir of 2002 Suburban is empty. What do I fill it with. Does this indicate a leak in the system?


The resevoir should be filled with a 50/50 solution of water and anti freeze.
The fact that it is empty indicates a leak in the system.
Refill it and watch the overflow tank and other coolent items like hoses and such and note any leakage.
If you smell the sweet smell of antifreeze when driving the truck , you may have a radiator issue.

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I have replaced the radiator, the water pump, checked my overflow tank for cracks, changed the thermastat, replaced the block heater seals, checked hoses and im still losing fluid whats going on!?! I fill...


Are you noticing any puddles under your truck? You can buy or possably rent a pressure tester that you just remove the radiator cap and hook the tester up in it's place and pump up the cooling system and watch for leaks. If there are no puddles it must be leaking into the engine from a leaky head gasket or intake manifold gasket. Do you notice excess steam or white smoke from your exhaust? Does your oil look milky? If it does water is leaking into the crankcase. Does it run rough at all? You can start your truck with the radiator cap off and watch for bubbles. If you see alot of bubbles it could be exhaust or compression gasses which would confirm a bad head gasket or cracked head.

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How do I change the water pump on a 2001 Grand AM GT


Remove the serpentine belt from the water pump pulley. Remove the lower radiators hose's upper clamp at the overflow tank. Drain as much of the coolant as you can. Saving the liquid in a drain pan can be a good idea. Use a ratchet with a 10mm socket to remove the heater line off the top of the water pump. Remove the bolts holding the water pump body. Remove the old pump and clean surfaces completely. Install new pump with new gasket and silicon sealant. Reverse procedure to complete, Refill radiator via fill tank, check for leaks. Continue checking overfill tank for a few days.

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My radiator was not leaking until I filled up the resevoire. What could be wrong


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It smells like anti freeze


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99 Chev suburban 5.7 liter, antifreeze keeps leaking have to fill reserve and radiator evryother day, (new radiator) no white smoke, oil looks ok, cant see leak anywhere on the ground or frame??? Wheres it...


check the condition of the reserve tank and the hose from the reserve tank to the radiator for leaks if no leaks there have the Radiator cap presure tested . also this could be a air lock in the engine if the radiator is new with the engine running and the heater on hot observe the fluid level in the radiator with the cap off if it drops as it warms add more coolant this will purge the air .

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My 1999 Oldsmobile Silhouette started overheating into the red yesterday. I drove it to the nearest gas station about two minutes after it started overheating. waited for it to cool down, then filled...


with mine it was the water pump but i also had a small leak i one of the heater hoses my water pump wasn't out completely but enough to make it overheat while idling

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Fiat Car Overheating


Ok, Take the overflow hose out of the overflow tank and opput the end in a glass or jar of water. Start the motor and watch gfor bubbles coming out of the hose in the water.. Little tiny smokey white bubbles mean you have a combustion leak into your cooling system. Possible head gasket seapage.good luck

Jul 25, 2009 | 2006 Fiat Strada

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Leaking Anti Freeze on a Dodge Neon 1999


i had the same problem until i changed my water pump,so you might want to get that checked out

Nov 15, 2008 | 1999 Dodge Neon

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