Question about 2000 Oldsmobile Intrigue
Step by step:
Make sure the system has been bled if it has a bleed valve, run the vehicle till it gets hot, shut the vehicle off and open the bleed valve, only if it has one, and wait for straight fluid to come out, once fluid comes out close bleed valve make sure it is full of coolant and restart vehicle. If the vehicle does not have a bleed valve skip this step.
1. Check thermostat, since it is a cheap fix should probably just replace it if not already done so.
2. Check to make sure fans are working properly, a simple way is to turn on the A/C and visually look to see if the fans come on, if one fan is not on suspect wiring or bad fan most likely a fan motor. If both are on, then that only leaves the temp sensor that controls the fans. When the engine gets up to about 200 then the fan should turn on if not suspect temp sensor.
3. If those work fine suspect possible leak somewhere pressure test system, and check for leaks. Pressure test the Coolant cap as well. if fails replace cap.
4. If no leaks then do a block test, you can pick one of these up from autozone (rent it) but you will need to buy the fluid. This is to check for cracked head block or bad head gasket. The tester checks for exhaust gases in the coolant that could cause overheating. If test shows exhaust gases replace head gaskets.
5. Lastly if all checks good then pick up a infrared thermometer and check the temperature in various parts of the radiator if temperatures vary drastically suspect partially plugged radiator. Replace radiator.
Posted on Oct 10, 2010
Do not run this vehicle any longer!! Check the cooling fans for proper operation, they must be on when temperature gauge is close to 1/2 or on 1/2 mark (also when A/C is switched on). Inspect for leaks on the coolant reservoir, also inspect for cracks around the smaller and larger hose connections to the reservoir (this is common problem on these vehicles). My mother's car went through the same problem and it was a crack on the reservoir plastic part connecting to the smaller hose (rear top side of the coolant reservoir). Another issue could be a faulty thermostat.
Posted on Oct 10, 2010
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Posted on Jan 02, 2017
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