ST205 replace fuel pump
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Latest revision as of 14:35, 4 February 2017
Submitted by - Gary
** This article has pictures from the ST205, but the procedure is similar for all the GT4s **
Contents |
Disclaimer
This article is intended as a helpful guide and shows how I replaced the fuel pump. If you are in any doubt, or not qualified, do not undertake this maintenance, consult a qualified mechanic. The fuel pump is an important vehicle component, failure to change this in accordance with the relevant manufacturers and/or procedures and/or instructions can lead to severe damage or injury. The author or the GT4 Drivers Club can not be held responsible for any loss or damage resulting from use of this article.
Safety
When working on a car always use the appropriate safety equipment, chock the wheels to prevent the vehicle from moving. When working underneath a raised vehicle always use axle stands.
Special Precautions
Disconnect battery and ensure NO naked flames or sources of ignition are present close by. It is wise to have a decent sized foam or dry powder fire extinguisher on hand as well.
Procedure
| Inside the boot, remove the metal access panel and white plastic conduit cover and disconnect the two multi plugs | |
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Remove fuel filler / inner arch guard |
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... then remove the fuel tank cover. 6 bolts and one panel clip IIRC |
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The removed cover |
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Which allows full access to the tank |
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Remove the 4 screws holding the filler flap in place |
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.... and simply carefully pull the assembly to one side |
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Filler tube is not secured anywhere else so no more clamps etc to worry about there. |
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Next, remove hose clamps on the return and breather pipes and remove hoses (have a container ready to catch and fuel which may leak out)... |
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You can then undo the fuel feed pipe at the union shown below |
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With something below the tank to take the weight when it's freed, undo the nuts on the two 'straps', holding the tank in place... |
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... and lower the tank down... |
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The fuel tank in all its glory... |
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... and the 'hole' left behind... |
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Fuel level sender unit is below the panel closest with the fuel pump 'above' |
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Clean the area surrounding the panel to ensure debris etc doesn't fall inside the tank and remove the securing bolts... |
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The OE fuel pump... |
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The replacement pump. A 255 l/hr Walbro high flow pump rated to 500bhp |
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The uprated pump in place. I decided to solder and heat shrink the new +ve and -ve wires in place rather than using the supplied crimps.... |
| Fitment is simply the reverse of above |
Other jobs to do at the same time?
- Replace brake discs & pads
- Replace springs and shocks
- Replace CV boots
- Under body seal the rear arch
- Fit rear trailing arm PU bushes
- Fit rear ARB PU bushes
