Page created by T June 20th 2008:
- 1 Fuel Pumps:
- 1.1 V8 Fuel Pumps:
- 1.2 Six Cylinder Fuel Pumps:
- 1.3 AC Fuel Pump With Air Pump:
- 1.4 AC Fuel Pump:
- 1.5 Carter Fuel Pump:
- 1.6 Carter Fuel Pump Components:
- 1.7 Carter Fuel Pump Operation:
- 1.8 Pump Pressure And Gasket Thickness:
- 1.9 Oil Leak:
- 1.10 Fuel Filters:
- 1.11 Changing Out the Pump:
- 1.12 Fuel Pump Repair Kit:
- 1.13 Toricellian Vacuum:
- 1.14 Links:
- 1.15 Terms:
V8 Fuel Pumps:
V8 Fuel Pumps operate using the same principle as 6 cylinder pumps.
Six Cylinder Fuel Pumps:
AC Fuel Pump With Air Pump:
This Fuel Pump came as standard equipment on grey Holden Engines from 48-215(FX) through to FB.From EK on the cars had electric wipers.
AC Fuel Pump:
This Fuel Pump came as standard equipment on grey and red Six Cylinder Holden Engines from EK - VB.
Carter Fuel Pump:
This Fuel Pump came as standard equipment on Carburettor Blue and Black Six Cylinder Engines.
Carter Fuel Pump Components:
Carter Fuel Pump Operation:
As long as the Floatbowl is full, the diaghram will stay in the downmost position holding pressure in the fuel line.
Pump Pressure And Gasket Thickness:
Changing the thickness of the gasket between the pump and the block can affect the fuel pump.A thick gasket will lower the fuel pressure by reducing the pump's stroke. A thin gasket will raise the fuel pressure by increasing the pump's stroke.
When the Diaphragm Spindle Seal wears out in this Pump, Oil will leak from the Drain Hole.
Re: The use of metal fuel filters between the pump and carby.Submitted by triple D on Sat, 07/04/2007 - 02:54.yea they do i have a Z200 in the engine bay of my T P I chev350 bit of heat in there so i put one in just in case. i was told the Z200 ryco will also pick up bits of metal as it is magneticregards triple DEnd of triple D's submission.Shero's Shed
An Inline Fuel Filter fitted to the Tank side of the Pump will save you headaches if any contaminant gets pulled through from the tank. A U-Shaped Loop will trap Water (the heavier of the 2 liquids) in the lowest point and allow the Fuel to float past on top. At the next tuneup, release the liquid in the loop and inspect for any Water.
Changing Out the Pump:
Some tips. 1. Put a smear of Oil on the input pipe so that the Rubber Fuel Hose can slide on easily. Without the Oil the Hose can bind. 2. Use Thread Tape on any difficult Fuel pipe Threads to keep them from leaking. 3. Put Thread Tape on the Fuel Pump Mounting Bolts to prevent Oil from walking up the Threads. Remember that the Mounting Bolt Holes are open and face the Camshaft. When the Camshaft gets spinning it flings hot Oil at the Bolts and the hot Oil tries to walk up the Threads and drip onto the Ground. Commodores were sold with Bolts that had blue Sealant already present on them to prevent the leak. 4. After swapping out the Pump and doing the first startup, try to leave the Engine idling for 5 mins so that the empty Pump, Intake Line and Supply Line can fill up. If you shut the Engine down too soon the carburettor will not have enough fuel to fill up properly and the next start may require Carburettor Priming. If Fuel leaks appear the Engine will have to be shutdown immediately of course.
Fuel Pump Repair Kit:
Expect space (not necessarily air) to appear in the fuel filter when it's on the tank side of the pump even if you flood the filter before fitting it. What you're seeing is a vacuum created by the drawing effect of the pump. The height of the filter above the tank has a direct effect on the amount of "space" that appears in the filter. In the old days when glass AC fuel pumps were fitted to Holdens you got a better opportunity to observe the vacuumunder the glass. The Toricellian Vacuum is the vacuum that appears in the top of liquid thermometers and the same effect is what you're seeing in the filter. Consider the Fuel Supply Line to be the Thermometer with the Fuel Tank at the bottom and the Fuel Pump at the top. The vacuum appears at the top near the Fuel Pump. When you shut the engine off, a large vacuum appears as the fuel tries to run back into the tank. Old kerosene heaters used vacuum in the same way. The vacuum inside the glass supply bottle prevented kerosene from flowing out until the neck became uncovered. Once the neck became uncovered kerosene flowed into the heater until the air supply to the bottle was strangled by the same kerosene. The vacuum at the high point of the bottle stopped the kerosene from flowing out. T