Monday, December 22, 2014

Change A Freeze Plug Through The Motor Mount

There are tricks to removing much the most tough engine block freeze plugs.


Freeze plugs exist since of the manufacturer's casting holes left over from engine blocks and cylinder heads. They come out as Hand-bill holes in the absent of the imagination or block, and enjoy metal pressure-fitted plugs that care for the baptize inside the engine. When freeze plugs rust or blow gone, they leak and must be replaced. Some freeze plugs admit crucial access locations, passion those that sit adjoining to Engine mounts. Happily, an criterion Car repair adult can alter his hard-to-reach freeze plug by using a meagre effortless tools and extraction tips.


Instructions


1. District the shift selector in impartial or arena, for the type of transmission you accept. Lift the hood and disconnect the dissension battery cable at the terminal with a socket. Lift the front of the vehicle with a floor jack and city to jack stands under the frame. Uplift the rear of the vehicle and abode two jack stands under the frame.


2. Levy a withdraw pan underneath the lower radiator hose. Unscrew the clamp on the radiator hose and pull the hose free lunch, with a twist. Let the coolant extract into the pan. Alter the hose on the neck becoming and tighten the clamp with a screwdriver.


3. Haul a shop brilliant underneath the vehicle and secure it consequent to the freeze plug aim. Whether you cannot excite a finger or screwdriver on the damaged freeze plug, city a breaker bar and socket on the (horizontal) motor mount through-bolt kernel. Fit an location wrench onto the Engine mount bolt belief. Loosen the Engine mount follower with a the breaker bar. Tap the bolt away with a drift punch and hammer.


4. Revolve the floor jack under the engine. Dwelling a wood block edge-wise between the jack spoon and the lip of the oil pan, on the freeze plug side. Pump the jack up peerless a few inches, to gain access to the freeze plug. Take the drift punch and place it on the freeze plug. Strike the punch several times with a hammer to knock the metal plug out.


Release the pressure on the floor jack. Remove the jack, shop light and wood block. Push the motor mount bolt back into its hole. Use an end-wrench to tighten the freeze plug bolt until the plug expands. Tighten it firmly, but do not over-tighten it or you will crush the rubber plug.


6.5. Clean the freeze plug hole with carburetor cleaner and a wire brush. Wipe the hole seat clean with a rag. Push a rubber, screw-in freeze plug in the hole and twist it in so that it seats flush. Tap the bolt through the motor mount with the hammer and drift punch. Screw on the motor mount nut by hand. Hold the bolt head with an end-wrench, while you tighten the bolt head nut with a socket and breaker bar.


7. Refill the radiator with the amount of coolant you removed. Secure the radiator cap tight. Start the engine and let it warm up to operating temperature. Take the shop light underneath the vehicle and check for any seepage from the freeze plug. Raise the vehicle with the floor jack and remove the jack stands. Test driver the vehicle and recheck for any leaks.