Torque Reference

WBX (Wasserboxer) 1.9 & 2.1

VW T25 / Vanagon water-cooled boxer — engine and power train torque specifications.

Head bolt procedure

Cylinder head to crankcase nuts — Step 1: 10 Nm (7.5 lb-ft).
Cylinder head to crankcase nuts — Step 2: 40 Nm (30 lb-ft).
Cylinder head to crankcase nuts — Step 3: 50 Nm (37 lb-ft).

Fastener	Nm	lb-ft
Connecting rod nuts — 33 lb-ft	45	33 lb-ft
Coolant drain plug — 37 lb-ft	50	37 lb-ft
Crankcase half — 8 mm nuts — 15 lb-ft	20	15 lb-ft
Crankcase half — 10 mm nuts — 22 lb-ft	30	22 lb-ft
Crankshaft pulley bolt — 258 lb-ft	350	258 lb-ft
Flywheel or drive plate to crankshaft — 80 lb-ft	110	81 lb-ft
Oil drain plug — 20 lb-ft	25	18 lb-ft
Oil pump cover nuts — 20 lb-ft	25	18 lb-ft
Pressure plate to flywheel — 15 lb-ft	20	15 lb-ft
Torque converter to drive plate — 22 lb-ft	30	22 lb-ft
Water pump to crankcase — 15 lb-ft	20	15 lb-ft
Rocker shaft to cylinder head nuts — 20 lb-ft	25	18 lb-ft
Exhaust flange to cylinder head nut — 15 lb-ft	20	15 lb-ft
Engine to transaxle nut/bolt — 22 lb-ft	30	22 lb-ft
Engine carrier to body — 19 lb-ft	25	18 lb-ft
End housing bolt — 37 lb-ft	50	37 lb-ft
Power steering pump bolt — 18 lb-ft	25	18 lb-ft
Pressure-flow limiting valve cap — 42 lb-ft	57	42 lb-ft
Pressure line fitting — 29 lb-ft	39	29 lb-ft
Return line fitting — on pump — 29 lb-ft	39	29 lb-ft
Return line fitting — on valve housing — 22 lb-ft	30	22 lb-ft
Steering gear retaining bolt — 22 lb-ft	30	22 lb-ft
Subframe bolt — long — 96 lb-ft	130	96 lb-ft
Subframe bolt — short — 59 lb-ft	80	59 lb-ft
Tie rod to steering arm — 32 lb-ft	44	32 lb-ft
Valve housing bolt — 15 lb-ft	20	15 lb-ft
Axle shaft to transaxle bolt — 33 lb-ft	45	33 lb-ft
Axle shaft to flange bolts — 33 lb-ft	45	33 lb-ft
Drain plug — 15 lb-ft	20	15 lb-ft
Flywheel to crankshaft bolt — 80 lb-ft	110	81 lb-ft
Pressure plate to flywheel bolt — 18 lb-ft	25	18 lb-ft
Torque converter to drive plate bolts — 22 lb-ft	30	22 lb-ft
Transaxle to engine bolts — 41 lb-ft	55	41 lb-ft
Transmission mount — 22 lb-ft	30	22 lb-ft

Source: VW factory engine and power train torque specifications for the 1.9 & 2.1 Wasserboxer. Values shown in Nm; lb-ft figures as published.

Conversions are rounded (1 Nm ≈ 0.7376 lb-ft). Always torque in the correct sequence and in stages. Verify against your engine builder's instructions for performance or modified assemblies.