Question about 2000 Chevrolet Venture

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2000 chevy venture 3.4l overheating

Replaced water pump,radiator,thermostat. still overheating

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Have you replaced the intake manifold gaskets? These engines have a history of leaking intake manifold gaskets. Water leaks into the intake and is burned off in the cylinders. If the engine overheats enough times, you will eventually blow the head gaskets.

Start by performing a compression check to make sure you haven't blown the head gaskets. Then make sure the car is really overheating (i.e. check the temperature of the engine with a infrared thermometer (they are cheap at Harbor Freight).

If it is really overheating, and you've really changed everything else, you need to change the intake manifold gaskets. Be sure to get the improved gaskets from the parts store (they have a metal core with rubber coating).

Posted on Jan 07, 2013

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Posted on Jan 02, 2017

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SOURCE: 2000 chevy silverado 5.3 replaced the thermostat

Blow out the radiator core from the engine side with compressed air to get rid of bugs and other debris. Check the fan clutch if mechanical drive. If electric fan, make sure fan(s) come on when hot. You may have combustion products entering the cooling system. Check with auto parts supplier for test kit for same or check with a well equipped shop for a similar test. Make sure that both radiator hoses are not obstructed internally. Hope some of this helps!

Posted on Jun 10, 2010

  • 432 Answers

SOURCE: My 97 Chevy Camaro, Is overheating, The Thermostat

I hate to be the one to tell you but water (coolant) is in your engine oil. The more you run your engine the more you will hurt the engine. Stop running the engine. You have eather a blown head gasket or a cracked head or both. Your engine is full of scum and must be rebuilt or replaced. All of the scum (oil and water mixed) will never come out. It washes the lube off of all you engine parts and clogs up small oiling holes.

Posted on Sep 29, 2009

buffalonyman
  • 1865 Answers

SOURCE: I have a Chevy Venture 2001 that has serious

You should probably replace the temperature sensor first, make sure the car is indeed overheating.

If after replacing the temp sensor, and the problem does exist, then buy a flush kit, and back flush the system, it may be clogged.

Posted on Nov 16, 2009

  • 14 Answers

SOURCE: 2000 Chevy Venture not blowing any heat but engine

More then likely, your low on anti-freeze. The heatin system in a car is simple. The motor heats up and uses antifreeze to cool. the warm antifreeze runs through the blower system of the heater. The hot antifreeze heats the blowing chambe which cause the air temp to rise. When the heater blower is engaged, it blows the hot air off the antifreeze chamber and warms the car. When your low on antifreeze, the car doesn't have enough fluid to keep the motor cool, and theres also not enough fluid to warm the blowers chamber. Just check your fluid and add accordingly, make sure to add antifreeze of about a 50/50 mixture. You can buy it premixed if your not crasy about dilluting it yourself. DON'T USE STRAIGHT WATER! It will corrode the cooling system and lead to EXTREMLY COSTLY repairs.

Posted on Nov 20, 2009

Elradiuzi
  • 127 Answers

SOURCE: My 2001 Chevy Venture temperature gage goes to

You did a good job covering it all. The only next possibility is the gauge itself and/or or wiring going to or from it.

Posted on Jun 28, 2010

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The thermostat is probably bad and causing your overheating. If that is not hte problem, then it would probably be your water pump.

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You should probably replace the temperature sensor first, make sure the car is indeed overheating.

If after replacing the temp sensor, and the problem does exist, then buy a flush kit, and back flush the system, it may be clogged.

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We've had to replace the thermostat on our 2000 Venture van twice


I had the same problem about 5 yrs ago with mine .I removed the pink permanent antifreeze .flushed the system. replaced the thermostat with a FAILSAFE THERMOSTAT .. The thermostat cost about 2x as much as a regular one ..replaced the permanent antifreeze with the old type the green 50-50 mix and no more problems..hope this helps

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