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03 buick rendezvous coolant in resivour is orange and foamy checked oil and it is fine no sihn of coolant mixing any ideas

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  • Cars & Trucks Master
  • 75,817 Answers

The coolant has broken down, a common problem with the early GM long life 100,000 mile coolant. Have the system flushed and refilled with any name brand long life coolant which is all of them now.

Posted on Oct 31, 2012

  • 1 more comment 
  • B zee Oct 31, 2012

    Thanks for the help can i use universal or dex cool

  • BILL GLOE Nov 01, 2012

    DEX COOL IS ORANGE NOT GREEN LIKE NORMAL ANTIFREEZE, JUST TEST IT TO SEE THE FREEZE PROTECTION

  • yadayada
    yadayada Nov 01, 2012

    I do not like the GM DEXCOOL, use a name brand universal coolant.

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: 03 Buick Rendezvous

Same this happened to me on my 2004 Rendezvous. The fuse popped out. Just push it back in. The fuses are located on the left side panel of the front passenger seat. If they are not marked there is a map in the owner's manual.

Posted on Oct 29, 2008

  • 1 Answer

SOURCE: 2003 buick rendezvous power outlets

 Fuse #14 is for REAR auxillary power  outlet (in cargo area).  This is located in the INSIDE fuse box to the left of and under the glovebox (to the left of the front passenger's feet).
Fuse #32 is for FRONT Power Outlets/cigarette lighter//Lights, OnStar®  Fuse 32 is under the hood in the ENGINE AREA fuse box located in the compartment  just above the battery.DOUBLE CHECK YOUR MANUAL to make sure that your fuses are the same.  I have a 2003 Rendezvous. Your newer model may be different.  The diagrams for each fuse box can be found inside the lids of the compartments.

Posted on Dec 03, 2008

  • 1071 Answers

SOURCE: 03 buick rendezvous interior light will not turn off

one of the door jamb switches are bad remove them one at a time until light goes out

Posted on Jul 21, 2009

honeymokey
  • 3113 Answers

SOURCE: Low Coolant Light

Why is it low? Leaking? The dumbest thing they sell is a 50/50 mix of antifreeze. You are getting 50% water and 50% coolant. Just buy a 100% antifreeze jug add it first and top it off with water. If the water is not low you may hve a bad coolant level sensor. It snaps into the radiator tank and is easy to replace when cold.

Posted on Sep 13, 2009

  • 1 Answer

SOURCE: oil mixing with coolant

If this is a 3800, Upper Intake Plenum or Lower intake gaskets are an inevitability. Head gaskets on these engines rarely go out! Seriously, don't get duped. I am doing the job on my grand prix right now. Google it for further explanation.

Posted on Oct 19, 2009

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How to find cause of valves tapping on 2003 buick century with a 3100 V-6 engine


the reason of tapping could be:
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1 Answer

2003 Buick rendezvous oil in rthe coolant and vise vera


speculation is all I have, but it could be a cracked block, or a warped head/block mating surface. It happens when overheating.
I'm not an expert on the engine, but I know there were lots of problems with those getting oil/coolant mixing. If you ever get it fixed, keep 60-65% dexcool, not 50/50. seems to help prevent.

Jun 06, 2013 | 2003 Buick Rendezvous

1 Answer

My 2001 Buick LaSabre "eats"


If there are no coolant leaks then check your engine oil to be sure it is not over full or foamy because if there is coolant getting into the oil it will cause irreversible damage to the engine. If the engine has ever over heated the head gasket/s could also be leaking and will need replaced.

May 16, 2011 | Buick LeSabre Cars & Trucks

3 Answers

Actully i think if there is leakage in head gasket oil should come out from it..is it rite?


if there is a leak in the valve cover oil would leak out . if there is a leak in head gasket could mix coolant and oil no leak out the mix would be in crank case, or pressure would build up in radiator whit no mix whatsoever. is this helping? if so please check the corner of this box if you need more info let me know exactly what the matter is i'll be glad to help.

Mar 05, 2011 | 2008 Ford Fusion

2 Answers

What's the coolant capacity for my 2003 Buick Rendezvous?


on a water pump change u will need to put at least 1 gallon of 50/50 mix coolant in, make sure you bled the system of air or it will overheat.

Jul 31, 2010 | 2003 Buick Rendezvous

2 Answers

Oil mixing with coolant.Car is overheating, coolant is tan.Had radiator tested.It's not trans fluid.Oil level fine and no coolant in oil.Oil on top of heads look fine.Buick park ave 150,000 miles 1998...


If this is a 3800, Upper Intake Plenum or Lower intake gaskets are an inevitability. Head gaskets on these engines rarely go out! Seriously, don't get duped. I am doing the job on my grand prix right now. Google it for further explanation.

Jul 30, 2009 | 1998 Buick Park Avenue

4 Answers

Engine oil dipstick shows water and rust mixed in with oil


Everyone always jumps to head gaskets. There are plenty of MINOR things that can be looked at first.
The Volvo 2.3, 2.4, 2.5 Inline 5 Cylinder dipstick tube is known to develop a large amount of condensationin winter months and stop and go driving. What you see on your dip stick is possibly just condensation. Take off your oil cap and look under the cap and inside the valve cover. Is there any thick foamy oatmeal like substance or noticeable amounts of water? If your oil was saturated with coolant, you would be able to see it up there too. Check your coolant for oil. Volvo coolant is typically brown to orange, however make sure there is no sludge. Start the car with the cap off and keep an eye out for alot of bubbles. A large amount of bubbles is a sign of a bad head gasket. A couple here and there is just air in your cooling system.
Coolant, Transmission fluid, and Oil have several places they can mix. If you have a turbocharged Volvo, the seals in the turbo can go bad and cause a mix of oil and coolant. Your transmission cooler is also in your radiator, and if it cracks your transmission fluid and coolant can mix. I believe turbo models have an oil cooler built into the radiator as well.
Overall if your car sounds fine, you dont see oatmeal, your not using coolant and oil in excessive amounts, dont have white smoke, and your turbo isnt whining you probably just have condensation in your dip stick. If you are overly concerned you can send a sample of your oil to a lab and have it tested for traces of coolant. Headgaskets rarely fail on Volvo's, even the old ones....I have seen many that have gone to replace them have not found a failed gasket and end up finding a bad transmission cooler or a bad turbo.

May 09, 2009 | 1999 Volvo S70

3 Answers

Water cooling system problem...


It's possible that the thermostat is defective.
Also check that the overflow hose and resivour are not cracked.
Check the engine oil, if it looks foamy then you may have a cracked head.

Aug 25, 2008 | 1997 Honda Civic

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