Question about 1997 Chevrolet Lumina

1 Answer

Overheating Engine overheats. I have replaced the waterpump and thermostat. When engine is cool, I can squeeze top radiator hose and it is collapsable. When engine warms up and starts to build pressure the top hose gets hard and you cannot squeeze it shut. I pulled the thermostat out and put it in a boiling pan of water and it opens up. Can it be an air lock somewhere in the collant system?

Posted by on

  • Anonymous Mar 13, 2014

    put new water pump and thermostate in and top radiator hose is collaping and over heating

×

1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points

    MVP:

    An expert that got 5 achievements.

    Governor:

    An expert whose answer got voted for 20 times.

    Hot-Shot:

    An expert who has answered 20 questions.

  • Expert
  • 60 Answers

It could be air lock , very common on those engines, more likley is a slight headgasket leak

Posted on Nov 25, 2008

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Overheating


Most common reason for overheating is 1. low coolent lvl 2. faulty thermostat (stuck closed). 3. Faulty water pump preventing coolent from circulating through engine.

Check coolent lvl in radiator when engine is cool by removing the cap and filling it up till you can see the coolent, replace cap and try. If you have the proper lvl of coolent. Replace your thermostat, which is located under the thermostat housing (right underneith where your top radiator hose connects). Fill with coolent and see if that helps. Next test is to start the car and let it run till it gets to normal operating temp or near (180 to 220 degrees F) Pinch your upper radiator hose and see if you can feel a gush, or flow of water rush through the hose when you release your pinch hold on the hose, (by pinch, I mean to try and totally squeeze the hose together) If you don't feel the rush of coolent through the hose, then your waterpump is faulty. If your car quits overheating, but your heater hoses don't get hot, then they are probably stopped up at the point where they connect to the engine. Its a common area for gunk, rust, and corrosion to build up.

Dec 09, 2013 | 2000 Pontiac Grand Prix

3 Answers

Engine overheating i have replaced the radiator has plenty of water


replace thermostat.then bleed coolant system, this is how you do it.fill the cooling coolant system with 50 / 50 dexcool and water to raise boiling point,straight water will evaporate boil away cause engine to overheat catch fire thats why you need 50 / 50 mixture antifreeze and water.to bleed coolant system first fill coolant system until coolant stay at the full cold mark on the the coolant overflow jug,then you start engine allow it to idle,place the heater and ac control in any ac setting except max and the temperature control to the highest setting,run engine until lower hose to water pump is hot. with the engine hot run the engine speed up to 3000 rpm and allow it return to idle, repeat this 5 times. slowly open the bleed valve on the thermostat housing or look for bleed valve at the water pump heater hose.open bleed valve for 15 seconds to expel any trapped air.then top off the coolant as necessary,and when top radiator hose hot thermostat open up.keep adding cooling to overflow until coolant level stop at full cold mark dont over fill coolant.if engine seem like overheating while looking at cooling gauge turn off engine wait a while until cool off add more coolant until coolant level stay stable and dont drop any.when open radiator overflow cap use large rag over the radiator cap to keep from getting scald open radiator cap a little at a time but dont open radiator cap until engine cool down first.replace the radiator overflow cap, thermostat,and engine coolant temperature sensor and check the cooling fans fuses and relays see what happens.

Aug 18, 2012 | 1998 Oldsmobile Intrigue

1 Answer

Overheating


CAR OVERHEATING FIRST CHECK FOR LOW COOLANT IN THE RADIATOR COOLANT OVERFLOW JUG.IF COOLANT LEVEL IN OVERFLOW JUG LOW REFILL ADD COOLANT BACK TO THE FULL COLD MARK.PUT RADAITOR CAP ON COOLANT OVERFLOW JUG START ENGINE LET IT IDLE UNTIL IT OPERATING TEMPERATURE.MAKE SURE TOP RADIATOR HOSE GETTING HOT WHILE ENGINE WARM UP.IF TOP RADIATOR HOSE DONT GET HOT WHILE ENGINE IDLING YOUR THERMOSTAT COULD BE STUCK CLOSE CAUSING CAR TO OVERHEAT.IF TOP HOSE IS GETTING HOT.CHECK FOR COOLANT LEAKS CHECK TOP RADIATOR HOSE AND BOTTOM RADIATOR HOSE FOR LEAKS.CHECK FOR LEAKS AT THE RADIATOR CORES AND PLASTIC SIDE CONTAINERS.IF ALL IS GOOD ENGINE OVERHEATING WHILE IN A LONG TRAFFIC LINE, COOLANT FANS NOT COMING ON.COULD HAVE FAULTY ENGINE COOLANT TEMPERATURE SENSOR OR BLOWN COOLING FAN FUSE OR RELAY.COULD HAVE PCM FAULT.MAKE COOLING FAN ELECTRICAL CONNECTORS AND WIRING NOT DAMAGE OR BROKEN.

Jul 17, 2011 | 1999 Oldsmobile Alero

1 Answer

Overheating problem on a 95 iszuzu trooper,replace headgaskets &waterpump .


I might need a little more information to accurately diagnose situation but I always like to start with the thermostat.(touch top radiator hose if it is cool with temp reading high its probably thermostat) This device is supposed to open up when the engine reaches operating temp. to allow coolant to flow. If it is stuck it could easily cause the overheating condition you are experiencing. Some more info such as does it only overheat when sitting still or will it overheat when moving down the road. If only when sitting still I would suggest a problem with the cooling fan. If it is a gradual increase while driving based off the age of the vehicle I might suspect a clogged radiator. If this dont help try telling me more about it and I will be happy to provide more insight.

Feb 24, 2011 | 1995 Isuzu Trooper

1 Answer

My car is overheating and using up the water in engine coolant reservoir when i refill


There are a couple of things that make a vehicle overheat. Your thermostat could be stuck closed not allowing the coolant to circulate, or your waterpump has gone out. Its possible your radiator has clogged up from minerals and or rust from the water.

Make sure you don't have a leak or a bad hose. The lower hose sometimes will get weak from oil contamination and the water pump will actually **** it closed.

When the car is warm feel your top radiator hose and see if it is cool. That would indicate a stuck thermostat. If it is hot then put on a pair of gloves and squeeze the hose, you should feel the pulsing of the waterpump and the water flowing by (like a garden hose). If not that is a good indicator of a bad pump.

Jul 18, 2010 | 1995 Pontiac Grand Prix

2 Answers

1990 4.2 Jeep Wrangler that is overheating


Is there any chance the thermostat got installed upside down? Flat end down into the engine is right. How hot does it get? Did you turn the heater on to circulate through it and get the air out of the heater core?
Thermostat usually open at 190 degrees, you may need a "candy thermometer" to double check the water temp in the rad. Get it in housewares. It's possible the thermostat is defective, I've seen that before. Hope this helps.

Sep 27, 2009 | 1990 Jeep Wrangler

2 Answers

Vitara overheat


When driving down highway only, it overheats? When running steady, I take it you mean, sitting idling? If it's only overheating at highway speeds, and all else has been checked out & is o.k., I'd take a close look at rad hoses for soft spots (easy to squeeze) that may be causing hoses to collapse at highway speeds & restricting flow of cooling system. Another thing to try is, turn your heater on high fan & high temperature when it starts to heat up & see if temperature gauge goes down (cooler) at all. If it does, then rad not doing it's job properly.

Jul 12, 2009 | 1999 Suzuki Vitara

1 Answer

Overheating


Your overheating problems can have several possible causes.
1) Airlock in heating system - solution - bleed air from cooling system.
2) Radiator blocked - solution - drain and flush radiator
3) Failed waterpump - solution - fit new waterpump
4) Engine thermostat stuck in closed position - solution - fit new thermostat
5) Electric cooling fan (if fitted) failing to operate - solution - check fan, fan operating switch, all wiring and connectors
6) Not enough coolant in system - solution - check and top up to required level. Also check all hoses for sign of leakage.
7) Faulty temperature gauge giving incorrect reading.

Jun 21, 2009 | 2001 Jaguar XJ8

1 Answer

Overheating


you have air trapped in the system. very hard to "BURP AIR"

park uphill on ramps if possible. With cold engine, leave radiator cap loose and fill radiator and reservoir. run engine until thermostat opens. squeeze upper radiator hose with hand. SHould be hot. Have heater on hot and blower on too. Repeat as necessary. May take several attempts.

Go here and we can help if that does not work

http://autos.groups.yahoo.com/group/villagerquest/

May 02, 2009 | 2002 Mercury Villager

Not finding what you are looking for?
1997 Chevrolet Lumina Logo

Related Topics:

288 people viewed this question

Ask a Question

Usually answered in minutes!

Top Chevrolet Experts

yadayada
yadayada

Level 3 Expert

61249 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

21949 Answers

Jeff Turcotte
Jeff Turcotte

Level 3 Expert

6812 Answers

Are you a Chevrolet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...