I can't remove radiator cap on radiator on 1993 Buick Century.
I turn the cap a notch and I can't remove it by pulling up on it. There seems to be a metal rod attached into the tube. How do I remove it because I need to put some stop leak in the radiator, due to a small leak. How do I do this?
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Using the wooden handle end of a hammer, push the piston and connecting rod assembly outward until piston rings clear cylinder bore. Remove piston and connecting rod assembly through top of cylinder block.
Pull off the inside of the door by removing the armrest bolts. Pull any electrics if they are in the way or any window cranks. Pull the panel off. Undo wire harnesses. reach inside where the handle is and find a sheet metal clip pull it sideways with a pair of pliers. undo the metal rod clips by turning a nylon fastener to the side and unsnapping the rod. put in the new tumbler and slide the sheet metal clip in again. snap on the rod and twist the nylon clip back. put the panel and armrest back on. repeat for other door.
You see that shiny rod running from one side to the other? That rod is attached to pins that lock into the notches on the seat tracks. When you pull the seat lever, the rod is supposed to retract the pins out of the notches on both seat runners so the seat can slide on the runners or tracks. Reach under and pull the pins out of the notches on both tracks to slide the seat forward. Those rods get stretched or loose or fall out of place. Sometimes a pair of pliers can be used to get the rod back into place and fixed, so it works off the seat lever.
I have not done an 850 so this is my best guess based on doing other Volvos.......
If the back of the seat is soft, you should be able to press in on the fabric far enough to feel the two metal rods that support the headrest. The rods stick through two plastic guides. There is a notch in one or both of the metal rods near the bottom. That notch catches on a catch in the lower plastic guide. You should feel a slight bump in the lower plastic guide that is actually a release.
Have your helper pull up on the headrest while you press both those releases at the same time.
If that does not work, you will have to detach the cover from the seat back and pull it up to expose the headrest support system. That can be a real pain, but I presume that you intend to dismantle the seat anyway.
The sensor is on the passnger side of the radiator below the radiator cap. It is black and square and has a single plug at the bottom. It is held onto the radiator by a metal retaining clip. Remove the clip and the sensor pulls out of the radiator. Disconnect the wire by pulling carefully on the plastic lock and pull on the plug. Fluid will leak out to level of sensor. Drain or place catch basin below sensor plug to catch radiator fluid. Sensor can be purchased through a dealer for around $70 US, or Auto-Zone for under $40 US. Your choice.
Hope this helps Positive Feedback ALWAYS Appreciated :)