Question about 1999 Chevrolet Lumina

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Cooling system my intake manifold gaskets was bad and it was leaking water but i just found this out and havent got a chance to replace them yet but the car has set up for a lil while and now it wont take water at all and i have flushed the radiator but it still wont take any water so what could it be

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Gasket material and/or debris clogging radiator or coolant passages

Posted on Dec 08, 2011

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Your thermostate is stuck

Posted on May 04, 2010

  • austindh2006 May 23, 2010

    ok ive changed out the thermostat but it still wont take water

  • austindh2006 May 23, 2010

    ok ive changed out the thermostat but it still wont take water

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There's water coming out the top of my intake manifold what is it


its possible that your intake manifold is cooled by the cooling systems water that routed through the manifold
if thats the case then the o ring that part of the gasket is brittle and allowing water to leak through

Aug 19, 2016 | Cars & Trucks

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Intake Manifold gasket replacement and/or leaking= Ford


Intake Manifold gasket~

Replacing intake manifold gasket:
Replacing the intake manifold gasket, I used the tube kind, it's a make it youself for about $6 (it's blue and the consistancy of toothpaste) follow directions carefully! You can get a tube at Autozone or any car parts store. Has been working great. Just ask the cashier for the make it yourself kind of intake manifold gasket. Sorry, I don't remember the name of it, it's been that long...lol...

As for the Intake Manifold leaking coolant....It could, but shouldn't. One of the largest problems I've seen for coolant to leak out the Intake Manifold has been due to pressure in the system somewhere... Check the classic area:
Water pump- look for either water seapage and/or coolant. You'll know if it is because you will see real water either coming out of the water pump leak hole or under the thermostat. Most of the time coolant will pool where your heater hose runs in the intake manifold.

Mentioning heater hose. Check for leaks, holes, and/or cracked heater hoses. In-addition to the water pump, heater hoses...Check the transmission system, exhaust system, fuel system, radiator system, A/C system, secondary fan (located above the water pump housing), and thermostat.Also, check all electrical connections....Hummm....This is almost the entire workings of the vehicle.

NOTE: "It seems to be an infinity kinda thing... Once one thing starts to fail and is ignored, you are bound to be fixing a chain of event failures. Therefore, Do not ignore even the smallest problem or you'll be bound for life in repairs...."

on Jun 25, 2010 | Ford Expedition Cars & Trucks

1 Answer

1982 280zx i replaced my manifold gasket and all of a sudden im having over heating problems


You're obviously referring to the intake manifold gasket, right? When you removed the manifold, did you old gasket to the replacement for size and mounting match-up? Did you have to scrape off the old gasket, and were you careful to not let any pieces of it fall into either the manifold or the head? Chances are, either the replacement gasket (OEM gasket or aftermarket?) did not match up correctly with the manifold or the head and is blocking a coolant channel, or a piece of the old gasket has lodged in the water jacket or has found its wa to the water pump and is blocking the coolant circulation. Bad result would be damage to the water pump requiring its replacement; worse result would be overheating of the engine causing failure of the head gasket and/or possible warpage of the head. If you're certain that the replacement manifold gasket was a perfect match and was placed properly during installation, you may want to drain and power-flush the cooling system, refill with water and recheck the temp. If it's OK, drain the system again and refill with prescribed mix of antifreeze and water. If you're not certain, you'll probably need to pull off the intake again and use another new gasket that exactly matches up with the water jacket ports on both the manifold and the head. Good luck.

Oct 03, 2013 | Datsun Cars & Trucks

1 Answer

2000 chevy venture overheating problems


Sounds like you still have a cooling system leak issue like a cracked cylinder head.

Mar 15, 2017 | 2000 Chevrolet Venture

3 Answers

Ok. guys. i am losing coolant. it is not showing up in the oil and i have no external leaks. i did replace the head gasket and all associated gaskets about two months ago. also have changed the upper and...


If the coolant is leaking at the head gasket or the intake manifold gasket slowly, then new gaskets will have to be installed. The bubbles coming up is a bad sign that the seal of the coolant system is bad or it's overheating the coolant to the point that it boils over.

The overheating may be due to air or vapor in the cooling system not allowing fluid to flow freely.

Did you put a 50/50 concentration of coolant to water into the cooling system?

Also, check the fan to see if it is turning on when the car is at operating temperature at idle.

May need to be flushed out and new coolant installed to increase cooling efficiency.

Good luck on this repair.

Jan 14, 2011 | 1997 Buick Century

2 Answers

Overheating 1985 k5 350 engine, leaking coolant, all water hoses, thermostat & waterpump replaced. possible leak above starter, also maybe a freeze plug, leak hard to find. please advise


Never, never, never use 100% water in a cooling system. Always. always, always add 50/50 antifreeze/water solution so that the CASTING pluggs don't rust or freeze (they are NOT freeze pluggs). If it froze with water in it you have a 75% chance that the motor is junk; 25% chance that you can fix it by replacing the CASTING plug. I drill a small hole in them and screw my sliding hammer in and pop them out (nearly impossible in the vehicle). Adding water to a cooling system is NOT cost effective. Ray (garage owner)

Sep 20, 2010 | 1985 Chevrolet S-10 Blazer

1 Answer

After my truck (2003 S10, 4.3) sits after running it for a bit, start it and it will start missing and the check engine light comes on. The miss will go away after about 5 minutes running and the light...


intake manifold gasket. when it leaks water will enter a cylinder causing the sprark plug to short out. when the engine gets hot enough the water will cook off in the cylinder allowing spark to take place. 80% chance intake manifold gasket, buy the upgraded part. 20% chance head gasket. Take the intake off and check for broken intake manifold gasket then buy parts.

Sep 10, 2010 | 2003 Chevrolet S-10

3 Answers

1999 Pontiac Grand Am with "lower intake leak"...What does this mean specifically? Would this mean the intake for the radiator, gasket, or valve?


Usually intake has to do with the induction system, as in intake manifold , The intake manifold can have several types of leaks, the intake can have a vacuum leak, oil leak, coolant leak or a combination of any of the before mentioned....hope this helps,

Aug 30, 2009 | 1999 Pontiac Grand Am GT

2 Answers

Thanks to all the responses I really do appreciate it. To answer to those who have responded. Yes the dexcool to water mix in the system is 50/50. The temp guage itself was my next thought as well. So I...


Hello Taz..might check the converter to make sure the exhaust system does not have excessive backpressure. Also make sure the electronic cooling fans are cycling...they should kick in and out. They are tied into the A/C system circuit with a relay.
The 3.1L and 3.4L V-6 Engine (VINs J, E - RPOs LG8, LA1) were known to have intake gasket failure. This was due to a bad gasket that was designed by GM...it had nylon in it...Over 400,000 of these were sold in Canada alone. The gasket has since been redesigned and torque specs recalculated. If you replace the manifold gaskets follow these guidelines.

Install a new design intake manifold gasket. The material used in the gasket has been changed in order to improve the sealing qualities of the gasket. When replacing the gasket, the intake manifold bolts must also be replaced and torqued to a revised specification. The new bolts will come with a pre-applied threadlocker on them.

Notice

An oil leak may result if the vertical bolts are not tightened before the diagonal bolts.


Diagonal bolts may require a crows foot to tighten.

Tighten

1. Tighten the vertical lower intake manifold bolts (1) to 7 N.m (62 lb in).

2. Tighten the diagonal lower intake manifold bolts (2) to 7 N.m (62 lb in).

3. Tighten the vertical lower intake manifold bolts (1) to 13 N.m (115 lb in).

4. Tighten the diagonal lower intake manifold bolts (2) to 25 N.m (18 lb ft).

Good luck...i hope this helps.

Jul 27, 2009 | 1999 Oldsmobile Cutlass

1 Answer

Overheating 97 V6 pontiac grand am


1 Inspect Cooling System Mix Coolant level low or flow is restricted. grey_line.gif 2 Inspect Belt Incorrectly routed, adjusted, tensioned, missing, or worn water pump belt(s). grey_line.gif 3 Inspect Oil Pan Gasket - Performance Ruptured, cracked or leaking radiator hose. grey_line.gif 4 Inspect Radiator Cap Worn or damaged radiator cap grey_line.gif 5 Inspect Thermostat Thermostat stuck closed grey_line.gif 6 Inspect Fan Blade Broken, missing, or defective fan blade(s). grey_line.gif 8 Inspect Water Pump Damaged, worn or leaking water pump. grey_line.gif 9 Inspect Intake Manifold Plenum - Perform Leaking water pump gasket. grey_line.gif 10 Inspect Cooling Fan Control Faulty cooling fan control or circuit. grey_line.gif 11 Inspect Cooling Fan Switch - Radiator Faulty radiator cooling fan switch or circuit. grey_line.gif 12 Inspect Engine Temperature Sensor Faulty engine temperature sensor or circuit. grey_line.gif 13 Inspect Temperature Switch Damaged or faulty temperature switch or temperature switch circuit. grey_line.gif 14 Inspect Fan Clutch Worn, loose or faulty fan clutch. grey_line.gif 15 Inspect Ported Vacuum Switch Damaged, leaking, or faulty ported vacuum switch. grey_line.gif 16 Inspect Radiator Obstructed radiator core or radiator cooling fins. grey_line.gif 17 Inspect Head Gasket - Performance Head gasket leaking coolant into cylinders

Dec 01, 2008 | 1997 Pontiac Grand Am

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