Servicing camshaft: VW (BJR)
Step-by-step servicing camshaft for the VW (BJR): factory workshop text. What to remove, in what order, and what to check after.
Workshop procedure for VW — the factory write-up, straight from real workshop data.
🔧 Engine codes this applies to
📋 Procedure
ℹ️ Torque figures below come verbatim from workshop data — always cross-check against your vehicle's factory manual before final tightening.
Servicing camshaft
Note
Heads with cracks between valve seats or valve seat and spark plug thread, may be used and that does not affect its life, provided the cracks are no wider than 0,5 mm and located on the first thread filaments.
Camshaft
Check axial gap
Fig.
Dismantling and assembling
Chapter
Radial gap - check with Plastigage the wear limit: 0,1 mm
Excentricity: max. 0,05 mm
Identification
Fig.
6 Nm + 90°
Renew
Follow installation instructions and loosening/tightening order
Chapter
Head cap
Support surface with head cannot be worked
With bearings for camshaft integrated
Eliminate all seal adhesive residues
Before installing apply
AMV 188 001 02
Install perpendicularly to heads, observing guides
Dismantling and assembling
Chapter
Seal
Slightly lubricate the seal sealing lip
Replace
Chapter
Rocker with roller
Check free rocker operation
Lubricate sliding surface
When installing fit securing clips
Support element
Do not change operation position
With hydraulic offsetting of valve gap
Lubricate sliding surface
20 Nm + 90°
Renew
Support for fixing/holding engine
Head
Support surface with cover cannot be worked
Valve seat milling
Chapter
Work on contact surfaces with engine block 1
Valves
Do not grind, only seating is allowed
Valve dimensions 3
Valve guide
Check
Chapter
Valve stem seal
Renew
Chapter
Valve spring
Removing and installing head with
Valve spring compressor
VAS 2037
Chapter
Spring plate
Woodruff key
Grinding of head surface
Head grinding quota: a = cannot be smaller than 135,6 mm.
Note
When grinding the surface, valve seats must be submitted in the same measures, otherwise valves will hit the pistons. Observe minimum quota allowed.
Valve command shaft, check course
Special tools and workshop equipment required
Universal dial gauge bracket
VW 387
Comparer
Measure with head disassembled and camshaft installed, pressuring the shaft central part
arrow
.
Wear limit: max. 0,15 mm.
Identification of camshaft, distribution times
Identification between intake and exhaust cam pairs
Cyl. 4
Shaft
030 CA 1DA
TorqFix answers live for your specific car — tell it the engine code and it serves the matching sequence, torque figures and wiring for that exact variant.
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Who makes these pages, and how
TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.
The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.
Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.
Seen a figure that does not match your manual? Write to us — we correct it and note when. support@torqfix.com
The story behind TorqFix →Workshop data on this page last updated 20 Sep 2026.