Do you have to disconnect battery to change radiator?
Disconnect the battery before proceeding. You’ll need to raise the vehicle so you can access your radiator. You can use a car jack and stands to keep the vehicle up, but remember to put a chock behind the wheels and engage the parking brake. And, to repeat, make sure the car, engine, and coolant are NOT hot!
What happens when I disconnect my car battery?
Disconnecting your car battery will not cause any permanent damage to your computer or ECU (electronic control unit), but it can have some adverse effects. Those include canceling your preset radio stations, forgetting learned shift points, and your car’s ideal fuel/air mixture.
What should I do when I Change my radiator?
While the radiator is removed use a garden hose to clean the area including the air conditioner condenser. Disconnect battery cable to avoid short circuits. Replace the thermostat when changing a radiator. Flush the cooling system and install new coolant to protect gaskets and internal engine parts. Replace upper and lower radiator hoses.
How do you replace the radiator on a Dodge Ram?
3-4 gallons of 50/50 mixed coolant (use HOAT (Mopar) coolant if that is what your truck has installed) Remove the negative (black) cable with a 10mm wrench. Place the cable in an area it cannot accidentally contact the battery, or wrap the cable with electrical tape. Then, place a drain pan under the radiator.
Is it dangerous to replace a radiator in a car?
Wait until the engine is cold before proceeding. This job can be dangerous, so be extra careful. You will encounter sharp edges and other circumstances that could cause injury. Protect yourself by wearing quality safety gloves and goggles. Be watchful of any moving items while working.
What to do if you have electrical issues after replacing a battery?
If you’re experiencing electrical issues immediately after a battery replacement or disconnect, make sure the battery cables were re-attached and tightened down properly. Herculean strength isn’t necessary, but the cables should be snug and not move around or come off of the battery posts.