it will take about 20 minutes + adding coolant.
If this radiator has a plastic top, I would suggest you purchase a new radiator. If it is metal, then remove the radiator and have it repaired and flushed, at a radiator shop. This is a good time to service your cooling system. Replace the thermostat and flush the engine out. Check all radiator hoses including the heater hoses, and replace if necessary. Reinstall a 50/50 mix of the appropriate coolant. Don't forget to bleed the air out of the system after reinstalling everything.
Radiator hoses are made of rubber and over time these units fail due to the environment. When they fail the rubber can get dry rotted which will cause the lines to flatten and crack.
How do you remove/replace a water pump on a 1996 Infiniti J30? Remove radiator hoses. Remove induction tubing for the air filter. Remove the fan and all belts. Remove timing belt cover. Remove and replace thermostat at same time as pump. The water pump is BEHIND the timing belt. The timing belt will need replacing at this time to obtain access to the pump. I tried to replace mine on the side of the road in emergency situation by prying the timing belt out of the way. It worked, but I damaged the belt and the tensioner. And thusly, had to go back and replace those too. But common sense in the labor department: Replace the thermostat, water pump, fan blades and fan clutch, ALL radiator hoses, bypass hoses and clamps, radiator and belts at the same time. I have 250k on my J30, and these have all needed replacing eventually.
It could be the radiator, hoses, fuel pump or an engine gasket. All of those components just "give out" with time.
on the bottom of the radiator there is a plastic mount with two bolts on each side, removing them can be difficult if they are at all corroded. try not to break them when removing them, otherwise you will have to re-drill the holes and replace them with some bolts and nuts which is very time consuming. other than that just remove all hoses and transmission lines attached to the radiator and it should come right out.
Vacuum leak. Replace all vacuum hoses under the hood. Replace one at a time as to not get confused.Vacuum leak. Replace all vacuum hoses under the hood. Replace one at a time as to not get confused.
Radiator replacement in the Chevy Venture van requires removing the 6 attaching posts and the hoses that allow for circulation. The gaskets at the hose connection points should also be replaced. Replacement time is 60 to 90 minutes.
Over time, the rubber in the radiator hoses becomes brittle causing it to crack very easily. As the hot radiator coolant surges through the hoses under pressure, it makes it very easy for the hoses to break. (most of the time in the hardest places to find) The solution to finding the hole would be to take a garden hose, and put it in the radiator top, run it so the radiator won't run out of fluid and try to assess where the water/coolant mixture is seeping from. Either have a garage fix it, or purchase a new hose and replace.
Time to replace the head gasket.
This is a good time to service the system. If one hose is bad, replace both the upper and lower unless you have already replaced the lower. Also check the heater hoses carefully and replace if in doubt. Drain the radiator and remove and replace the thermostat. Fill it up with a 50/50 mixture of the proper anti-freeze and distilled water. Bleed all air from the system.
Time to replace the head gasket.
The diesel fuel will ruin the rubber parts like the hoses and seals over time. I would drain and flush the entire system (engine block, radiator, hoses) and refill with 50% antifreeze and 50% clean water.