SEAT Workshop Service and Repair Manuals

Repairing welded nut in longitudinal member/sill Special tools and workshop equipment required

t  Torque wrench -V.A.G 1332-

t  Engine and gearbox jack -V.A.G 1383 A- with universal gearbox support -V.A.G 1359/2- Repairing thread by recutting or inserting a threaded insert is not permitted. Correct repair is only possible by fitting new nut(s). The nut holder plate -7M0 801 392- is supplied as replacement part for this. Repairing welded nut in right-hand sill

–  Remove spring clip for bellows on filler neck.

–  Unbolt filler neck from body -arrow-. –  Support tank using engine and gearbox jack -V.A.G 1383 A-.

–  Unbolt filler neck -1- from body -arrow-.

–  Unbolt tank hangers -2--arrows-. –  Push tank as far as possible towards middle of vehicle. –  Remove bolts for strut, if not yet done.   WARNING Wear eye protection.

–  Drill out damaged welded nut(s) -1- to 12.5 mm core Ø. Do not tilt drill when drilling.

–  Lever plug out of mounting hole -arrow-. Illustration shows right side; left side is mirror-image of same.

–  Guide nut holder plate into mounting hole. Illustration shows left side for ease of illustration. Right side is mirror-image of same. 1 -  Nut holder plate -7M0 801 392- –  Guide nut holder plate in until the holes in the welded nuts in the sill align with the nuts on the nut holder plate. –  Bolt strut with new bolts M 12 x 1.5 x 35 -N 905 705 01-. –  Tighten bolts to 110 Nm and turn 90° further. –  Protect sill against corrosion with cavity preservative -D 330 KD1 A2- through mounting hole. –  Seal mounting hole with plug. –  Install tank in reverse order. Repairing welded nut in left-hand longitudinal member Welded nut(s) in left longitudinal member/sill are repaired in the same way as those on the right. The tank is not loosened to do this.