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Disconnect the motor mounts and jack the engine to remove the oil pan. Remove the oil pan, replace the oil pump you'll find at the end of a pick up tube, replace the pump and put the pick up tube back on the new pump making sure it's in the same low position it was when removed, replace the oil pan gasket and put the oil pan back on, lower the engine and put the motor mount bolts back in. Put in the proper amount of oil and go.
Remove oil pan.
Mark and Remove distribuator.
Remove bolts to oil pump and remove.
Install new oil pump.
Reinstall oil pan with new gaskets.
Put in new engine oil.
With a large straight screwdriver. Rotate oil pump (clockwise for top) through the distribuator hole until a huge anount of resistance is felt.
Reinstall distribuator where marked. ( you may have to rotate tang on oil pump to get distribuator to go down. .
There is no way that a 4.5 hp engine can create 4500 psi. If you are putting the oil into the engine it would just take a 10w30 motor oil, if you are putting oil into the pump I would have to know what pump kind of pump you have, if the name isn't on the pump I would need to know the model number of the machine. The oil in the pump shouldn't have any affect with the motor not starting though.
Yes it is bearings, rings, and part of the cylinder. If the oil pump went out the motor would lock up. The oil pump pumps oil throughout the motor. If the pump quits, it is just like running the engine without any oil at all. Without oil pressure then the motor would lock up because nothing in the engine would get any lubrication. Don't think it has anything to do with the oil and filter. Probably just a faulty oil pump. I have heard of Walmart not putting oil back in cars, and causing them to lock up. But if you had oil in the car, and it has metal shavings, then it is more than likely the oil pump just quit.
What the heck did he think he was putting in the tank? Gear oil is very thick and heavy, so the fuel pump may have a problem as it is meant to pump gas, which is not thick and heavy like gear oil. There was probably some gear oil in the tank while the pump was operating, and it pumped some gear oil for a short time, which damaged it. Insist that the 'mechanic' replace the fuel pump at no cost to you ,and find a new mechanic for future repairs. Good luck.
Dear glenoaks06,
I handled various Karcher washers, but the 2500 I never came across it. Just the same I will give you a few hints and maybe the solution for the problem. When the oil is milkey this means it has water in it. This means that there are faulty seals for sure. Now in many Power Washers the compartment where the oil is located is filled with oil prior to assembling the head unit that contains the pistons. So you have to take apart the the complete head change all seals( HP seals, LP seals and OIL seals). There are pumps that take multi-grade oil(15/50) and others 90 grade oil. If your pump is fan cooled, it probably takes 15/50 oil. Now one of the main biggest problem of water in oil is Faulty and Scratched PISTONS.
So when you have the pump apart....check condition of pistons. It is useless to change seals if pistons are damaged.
Now one thing regarding your problem, is that you have to put together the head with the pump upside down, so that you can fill the compartment (where the pistons are pushed by the swash plate), with OIL, before you put back the complete head with good pistons,springs,seals, valves...etc..etc. These few hints are relevant to quite a number of Karcher washers.
Regards,
Fulltech.
the oil pump is not electronic it is gear drivin . either the gear is bad or the installation was done incorrect. my advice is to start over and sure the rod is seated correctly . you should be able to put the rod in and not be able to spin it. if it spins that means either the gear is completely bad or the rod needs replacing or both. in order to replace the gear you have to remove the timing chain. in your vehicle if you have a distributor and not coil packs you have to remove the distributor and look at the bott of the shaft to see if it is worn out. hope this helps........please rate this.
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