Blockage Between Filter Pan and Flex-Hose Valve
Possible blockage between filter pan bottom and
Disconnect oil line from filter pan to pump at the pump end.
Turn pump ON and allow it to
operate for a few seconds to ensure
it does not run backwards.
Put your finger over the
pump inlet. Is suctionNo present?
Yes
Pump is clear; plug is in the bottom of the filter pan or in the line from the pan to pump.
Disconnect line at filter pan. |
| Line is blocked. Remove |
Can you blow air through line | No | line, soften and clear |
from pump to pan? |
| solidified shortening. |
|
|
|
Yes
Blockage is in pump or in the discharge line.
Reconnect line and operate pump. If still no oil flow, blockage is in bottom of pan.
Remedy problem and continue
filtration process.
