Fuel Pump Access - DB9 Coupe

[spottynatty]

Hi All,

Can anyone confirm if it is possible to access the fuel pumps from above on the DB9 coupe?

The service manual makes it seem as though it is possible with the rear shelf and seats removed but there are a few forum posts which talk about how the tank needs to be dropped.

Can't imagine there would be a lot of room under the rear windscreen.

Car is an '08 if that makes any difference.

Cheers

[starlight225]

The first line in the 13MY on (I know yours is an 08MY) workshop manual for the coupe says ‘Remove the fuel tank’
For the Volante you only need to drain the fuel tank and not remove it.
The earlier workshop manual also note the same for the Coupe that the tank has to be removed, and for the Volante it can be done with the tank drained but in situ.

Edited by starlight225 on Thursday 13th September 11:51

[spottynatty]

Thanks Starlight,

I must have an older copy of the service manual. Wonder if anything changed through production years to prevent access from the top.

The rear shelf panel looks like it has a round hole in it. Might have to try pulling some of the rear trim out to see what's under there.

Currently chasing low fuel pressure on one bank and next to test is the fuel pumps. Will have to start a new thread for that.

Cheers

[BamfordMike]

spottynatty said:

Thanks Starlight,

I must have an older copy of the service manual. Wonder if anything changed through production years to prevent access from the top.

The rear shelf panel looks like it has a round hole in it. Might have to try pulling some of the rear trim out to see what's under there.

Currently chasing low fuel pressure on one bank and next to test is the fuel pumps. Will have to start a new thread for that.

Cheers

There is indeed room to do the job in situ via rear environment / parcel shelf. On a number of jobs I’d take the manual with a pinch of salt, years of working on the cars now has greater expertise over those who wrote the manuals.

A diag with the laptop will tell you why you have low rail pressure. It’s either fuel pump driver modules or the pump (which is a common failure), but I’ve seen wiring and faulty sensors cause issues which is why attempting diagnostics without a laptop is the long way around and a bit hit and miss - there’s no point ripping into components if they are not faulty!

[dbs2000]

BamfordMike said:

There is indeed room to do the job in situ via rear environment / parcel shelf. On a number of jobs I’d take the manual with a pinch of salt, years of working on the cars now has greater expertise over those who wrote the manuals.

A diag with the laptop will tell you why you have low rail pressure. It’s either fuel pump driver modules or the pump (which is a common failure), but I’ve seen wiring and faulty sensors cause issues which is why attempting diagnostics without a laptop is the long way around and a bit hit and miss - there’s no point ripping into components if they are not faulty!

This, Mike and the guys sorted my DBS out with said wiring issue. It was intermittent to say the least.