Question about 1995 Buick Skylark
Someone gave me a 95 buick skylark and it started overheating and leaking antifreeze. before I fix those problems I want to make sure the radiator fan is working. What's a good way to test that?
Fan not working?, Try this procedure:
Dirt and debris can get lodged in the radiator air flow paths. This can block the radiator and cause your engine to overheat and damage the engine
Make sure the radiator and the overflow bottle are filled to the proper levels.
Bleed air from the coolant system:This is best done by running the engine with the radiator cap off until you see when the air bubbles stop coming up.
Check the radiator fans: The easiest way is to turn on the cars air conditioner and turn up the A/C fans. Both radiator fans should come on when the A/C starts
Make a pressure test by using a pressure testing tool (available at most auto parts stores). Use the pressure shown on your radiator cap. Most cars are 16 PSI or less, so don't exceed that pressure. Replace the radiator cap if it doesn't hold the pressure.
Posted on Apr 18, 2015
Disconnect the cooling fan switch start your engine the fan need start work if don't check your fuse and relay
Posted on Mar 21, 2014
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Posted on Jan 02, 2017
SOURCE: 1995 Buick skylark overheating
there could be several resons for the overheating:
1. water pump doesn't circulate properly
2. Bad thermostst
3. fan clutch/radiator fan are non operative
4. relay is bad
5. clogged system
6. clogged radiator
to check on the the specific problem first power wash the radiator to remove bugs and road grime. they block the air from flowing over the fins and coil of the radiator thus not allowing the heat to disapate from the coolant. next install the good thermostat and make sure the spring part of the thermostat is facing down.next fill the radiator with coolant all the way up to the neck of the radiator and leave the cap off. next turn your heat setting to max fan and max heat temp. start the vehicle let the vehicle heat up and keep watch for the the flow of coolant soon as it goes down you should feel the upper radiator hose get real hot this indicates that the thermostat is working. now if you have a fan clutch for a conventional rear drive vehicle once the temp reaches 180 degrees the fan should no longer free spin it should start spinning faster if it is working like it should. if you have a transverse mounted engine for front wheel drive you will have a fan unit mounted to the radiator. these should be spinning when the engine reaches temp of 180 degrees. If they are not open the junction box and located the fan relay. switch out the relay with another one( I use the a/c clutch relay)if the fans kick on it's the relay that is bad, if it doesn't then either it's the fan unit itself or the temp sensor on the fan unit.now after you have done all these checks and everything is in order check the hoses going to the heater core at the fire wall they should be hot to the touch if they are not you have a clog at the by-pass of the water pump or manifold inlet.if the hoses are hot and you still have no heat then it's a bad valve inside the cab near the heatercore or a defective climate control module. check the fuse first to see that it is good.after the engine has been running a while the level of coolant should have gone down and then refill to proper level and replace cap after all of this if you still don't have heat and it overheats you have a bad water pump.... please rate this thanks
Posted on Sep 23, 2008
Yes Ma'am, Have a pressure check done on the coolant system and I'll be willing to bet you have a blown lower intake gasket.. Pls let me know..
Posted on Mar 11, 2009
did you burp the cooling system?also fill the system pull off the raditor cap run the engine and look in the raditor too see if you got curilation if not then you have a bad waterpump, if so then make sure your electrict fan is working
Posted on Mar 18, 2009
I had the same problem a month ago. I thought it was the thermostat, which sits inside the lower water feed tube that runs from the radiator, under the car and up between the engine and trans axle to the thermostat housing and water-inlet housing attached to the water pump. I replaced it and it kept leaking. So I got under the car with a mirror and a light and found that it was leaking from a weep hole in the water pump. This happens when the water pump seal is bad. to replace the water pump you nearly have to take apart the back of the engine and the timing chain cover. The waterpump is mounted at the bottom of the back of the engine and is turned by the timimng chain. It took me two days to fix, and it was not easy. There are a couple of sites that have info, which helped me. It's about a $600 - $900 job if you take it to a repair shop.
Posted on Jun 13, 2009
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