Have Honda Questions? Ask a Honda Repair Expert.
Were you able to perform a system bleed on the new pump?
Why did you replace the old pump?
Did you perform a bleed after the replacement?
After replacing the pump lift the front wheels off of the ground. Fill the power steering reservoir to the full mark and start the engine. Then turn the wheels all the way to the left and then all the way to the right. Repeat this about 10 times and then turn the engine off and check the fluid level in the reservoir. If the fluid is low, fill it back up and repeat the process until the fluid stops getting low. If the fluid is foamy, wait until the foam goes away and repeat the process until the fluid comes out clear. Make sure you are only using honda specific power steering fluid. This is important as most other fluids will not work correctly.
Yes, if there is any air in the system it will make the steering stiffen. It can also damage the new pump.
The pump doesn't pump air very well, so when the air circulates through the system you will get a loss of power assist.
Depending on how much the vehicle was driven with air in the system it could have damaged the pump already. I have even seen the pump shaft snap in two if it was run long enough.
You might consider removing the pump and seeing if wherever you purchased it will warranty it out for you and then start over again.
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