The document provides instructions for fitting a turbo twintercooler to a SEAT Leon mk2 2.0fsi vehicle. It is a 10 step process that involves removing the front bumper, lowering the horns, drilling holes in crash bar brackets, attaching the intercooler brackets, fitting new hoses between the turbo, intercooler and engine, and refitting the bumper once complete. Tools required include various screwdrivers, spanners, and safety equipment.
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1. SEAT Leon mk2 2.0fsi Turbo Twintercooler fitting instructions.
If these instructions are unclear in any way then please see
http://www.forgemotorsport.co.uk/content.asp?inc=media
and download the master copy.
Tools required: -
Vehicle ramp or jack and axle stands.
7mm hose clip driver, flat blade and pozzidrive screwdrivers, T25 torx driver,
T30 torx driver, 13mm spanner, 6mm allen key. 8.2mm drill bit and drill.
Overalls, gloves, safety footwear and protective eyewear are also recommended.
1/ Raise vehicle on lift or axle stands, open bonnet, remove the 4x T30 screws
from the top edge of the front bumper. Remove the 5x T25 screws from the
leading edges of both front wheel arches. Remove the 2x T30 screws from the
lower centre grille. Remove all the T25 screws from the underside fixings of the
front bumper. Pull the bumper edge outwards from the wing fixing clips on each
side. The bumper can now be lifted clear, disconnect the wiri ng connector to the
fog lights as the bumper is being moved away from the vehicle.
2. 2/ Unclip the air temp sensor from its plastic guide on the left front of the car. Then
remove both air guides behind the bumper, these have a single plastic push in clip that
requires removal in order to free the air guides. Remove the 8x T25 screws in order to
remove the complete engine under tray. Remove both lower standard intercooler
hoses; these are just clipped in via a spring clip. Prize this away with a flat end
screwdriver to aid removal of the hose end fitting, these will not be refitted but the
seals are required later so place to one side for now.
3. 3/ Remove the horns form their brackets, now remove each bracket from the car and
refit the horns as per the pictures below with the new brackets supplied so they are
now sited higher. This is to allow the new hoses a free routing below the horns.
4. 4/ Mark the crash bar brackets on the inner edge as per the picture below. Drill an
8.2mm hole and debur the edges. 15mm in from the front edge and 10mm from the
bottom edge is the ideal centre for the drill hole. Do the same on the left and right
bracket. Make sure all swarf from drilling is cleaned away and none of this has been
allowed to enter the new intercooler or hoses to be fitted next.
5/ Attach the brackets to the crash bar brackets as pictured below using the nuts and
bolts supplied. Then mount the intercooler in to place also but only assemble the
fixing nuts and bolts loosely at this stage.
5. 6/ Remove the oil seals from the original intercooler hoses and fit these to the
corresponding new aluminium hose couplings as pictured below. Fit the hose
couplings into the respective fittings on the original intercooler and the turbo outlet
pipe on the right side running alongside the engine sump. Make sure the spring clips
are located securely to prevent these couplings from being blown out of the fixings
under boost.
6. 7/ Now fit the new hoses to join all the couplings and the new intercooler. The hoses
may require a test fit to make sure they do not foul on any other engine or front panel
components. A small amount of trimming may be required on the hoses at the new
intercooler joints. Once you are satisfied with the fitment then secure all the hoses
with the hose clips supplied.
7. 8/ Now centralise and tighten the fixing bolts on the intercooler. Fit the ambient
temperature sensor as indicated below.
9/ Before the bumper can be refitted you have to remove the lower plastic brace panel
as shown below. This can be simply removed from its plastic fixings with a sharp
knife and a drill.
8. 10/ The bumper and the engine under tray can now be refitted. Lower the vehicle to
the ground. Make sure all tools are removed from the vehicle before road testing. You
are now ready to enjoy the new found performance of your vehicle.
Engineered for performance