Question about 1993 Chevrolet S-10 Blazer

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Merry Christmas! My daughter poured oil in the coolant reservoir of her 1996 s10 Blazer. Any suggestions?

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Remove coolant reservior and clean out use a degreaser type soap like dawn

Posted on Dec 25, 2008

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2 Answers

1985 s10 blazer 2.8L has muddy looking oil


Yes, muddy coolant means there is oil in it. Check it by dipping your finger into the coolant while it is cold and rub your fingers together. If it is oil, you will feel it right away, while rubbing your fingers.

Nov 12, 2013 | 1985 Chevrolet S-10 Blazer

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1989 Chevy S10 Blazer 4.3L V6 Automatic: Massive coolant leak occurred after letting truck sit for about 30 minutes after running it for around 1 hour. Coolant steadily flowed from what appears to be on...


Check the bottom side of the water pump for wetness, as well as the lower radiator hose. The water pump if leaking, will run the coolant down the front of the motor,and can appear to be coming from the top of the oil pan. It is nearly impossible for the top of the oil pan to leak coolant.

Aug 19, 2011 | 1989 Chevrolet S-10 Blazer

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I just wanted to know where to pour the antifreeze in a 1196 toyota camry. I know I should pour it in the radiator or something but I'm not sure where that is?


Hi, coolant goes into the reservoir pictured below. There is a different reservoir for the windshield washer fluid. There is also a much smaller reservoir for the brake fulid. That one is in the right rear of the engine compartment, just in front of the driver. Be careful not to put coolant in the brake or washer fluid reservoir. Thanks for using FixYa.

coolant reservoir:

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Mar 01, 2011 | 1996 Toyota Camry

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How do i know if my 93 chevy s10 has oil coolant or transmission coolant. its v6 4.3


There is no such thing as oil coolant or transmission coolant just engine coolant but the oil helps cool the engine and the transmission fluid help cool the transmission but that is only part of there jobs. Engine coolant is call Antifreeze.or some like Prestone

Feb 04, 2011 | 1993 Chevrolet S-10 Blazer

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I started the blazer and it is idleing really rough. then I get a mile down the road and it dies on me. I just replaced the thermostat and fuel filter bc it wont hold antifreeze and keeps overheating. What...


The loss of coolant, overheating and running bad could add up to coolant leaking into the engine. The Dexcool antifreeze used in the GM vehicles has caused gasket failures in the upper air plenum and the lower intake manifold. This could allow the antifreeze to be pulled into the combustion chamber and the oil. If there is no visible external leak, then this is probably what's happening. Sometimes the gasket leak will show up as a very small and difficult to detect puddle somewhere around the gasket/engine mating surfaces. Also look for signs of coolant in the oil. If it has gotten into the combustion chamber, then it has probably ruined the O2 sensors and catalytic converter. The only solution is to pull the upper and lower intakes and replace the gaskets. Change the oil and filter. DO NOT put Dexcool back in the radiator. Use a green antifreeze that is labeled compatible with aluminum engine parts and radiators. Replace the O2 sensor. The catalytic converter might have survived. Get it running first, then worry about the converter. Good luck to you, and try to have a Merry Christmas.

Dec 23, 2010 | 1996 Chevrolet Blazer

1 Answer

Low coolant


Regular Prestone or Peak Anti-Freeze. You should always pour it in the coolant tank, as the radiator needs coolant, it is drawn in from the coolant tank to the radiator, and also the reverse, so you only want to fill it up to the "FULL" level on the bottle. Recheck it after it's been driven.

Mar 13, 2010 | 1993 Chevrolet S-10 Blazer

4 Answers

Have oil in my radiator fluid reservoir tank (1996 v6 3.8)


Twice in two years now my Saab 9-5 has had a pin-hole in the oil cooler, which has caused oil to flow into the reservoir. A way to tell is if coolant/oil is coming out of the reservoir cap. The reservoir cap is rated for the pressure of the coolant system, which is significantly lower than the oil pressure. When there is a hole in the oil cooler, oil will be forced out at relatively high pressures, causing the reservoir to fill and then over pressurize and spill out of the cap.

Mar 10, 2009 | 1993 Ford Mustang

2 Answers

1995 S10 BLAZER 4X4 AUTOMATIC Transmission Burbs


It's possible that your transmission and filter has built-up a lot of gunk and deposits and is working overtime to get fluid to circulate through the transmission. The only other thing that can normally be checked without taking the vehicle to a transmission expert is the fluid level. However, I can tell you that I own a 2002 Blazer with a 4.3 L Vortec, and Blazers have always been notorious for having the transmissions go out on them if they are not checked and flushed on a routine basis (I suggest checking and/or flushing every 10-15K miles.). Hopefully this will help to shed some light on your problem. Have a great day!

Nov 23, 2008 | 1996 Chevrolet Blazer

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