Technical Data - OPEL VM41B/25TDS


Manufacturer OPEL
VM41B/25TDS - T - OHV HR492
Engine Type VM41B/25TDS
Fuel Supply System T
Note OHV HR492
Cc 2498
Number of Cylinders 4
Bore Ø 92.00
Stroke 94.00
KW 85
Compression 21
KBA No. (Germany) 4114371
Type Mines 905A3C

Technical Information Number Technical Data Information
····Engine Code
Compression--------------
····Compression - Ratio
····Cylinder - Differential pressure
Refs------
····Idle, min.
Exhaust Gas, value-------
····Smoke Grey - Service RPM
Oil Pressure-------------
····Rated Capacity
Ignition Timing----------
····Ignition System
Ignition - Row-----------
····Ignition Point, Static / Dynamic
injection pump-----------
··Injection - Stage 1 => x
··Pressure, Fuel injection
=<>=
··Cylinder Head - Height
··warpage (value) - Cylinder Head
····Wear limitation
··Thickness, Gasket
··Thickness, Gasket
····Standard Size
····Standard Size
····1st Oversize
Pre-chamber--------------
··Protrusion -/+, Pre-combustion chamber
··Protrusion -/+, Pre-combustion chamber
··Flange, Height
····Standard Size
····Standard Size
··Flange - Fitting Depth [mm]
····Standard Size
····Standard Size
Valves----
··Valve Clearance [mm]
····Operating Mode / Cold Check
····Inlet
····Exhaust
··Valve Clearance - Cold Check [mm]
··Valve Actuation, Setting
····Inlet / Open (° before TDC)
····Inlet / Closed (° after BDC)
····Exhaust / Open (° before BDC)
····Exhaust / Closed (° after TDC)
··Valve Head Diameter [D]
····Inlet
····Inlet 2
··Valve stem diameter [d] - Inlet
··Valve stem diameter [d] - Exhaust
··Valve - Protrusion (+/-)
····Inlet
····Exhaust
Valve Spring-------------
··Tolerance - Vertical (s)
··Valve Spring - Length (Load/Empty)
··Diameter - Spring, Material
··Min. Length [mm] => Capacitive Load 1
··Min. Length [mm] => Capacitive Load 2
Valve Guides-------------
··Fitted Height
····Inlet
····Exhaust
··Inner Diameter - Standard Size
··Outer Diameter - Standard Size
··Bore - Holder, Valve Guides (Standard Size)
··Clearance - Valve => Valve Guides
····Inlet
····Exhaust
··Press-fitted, Valve Guides
Valve seat
··Valve Seat Angle (B)
····Inlet
····Exhaust
··Valve Seat - Measurement (A)
····Inlet
····Exhaust
··Valve Seat - Outer Diameter, Standard Size
····Inlet 1
····Exhaust
··Bore - Holder, Valve Seat (Standard Size)
····Inlet
····Exhaust
··Press-fitted, Valve Seat
····Inlet
····Exhaust
··Cylinder Head, Temperature - Press-fitted
Valve Actuation---------
··Diameter - Rocker arm shaft
··Bore - Holder, Rocker Bush (Rocker)
··Inner Diameter - Rocker arm shaft (Bearing Bush)
··Clearance, Radial - Rocker
Valve Lifter-------------
··Type
··Diameter - Valve Lifter
··Bore - Holder, Rocker/ Tappet
··Clearance, Radial - Valve Lifter
····Wear limitation
Camshaft--
··Bore - Holder, Camshaft Bushes (Standard Size)
··Diameter, Bearing Journal - Camshaft (Standard Size)
··Diameter, Bearing Journal - Camshaft (Standard Size)
··Diameter, Bearing Journal - Camshaft (Standard Size)
··Diameter, Bearing Journal - Camshaft (Standard Size)
··Clearance, Radial - Camshaft Bushes
··Clearance, Radial - Camshaft Bushes
··Clearance, Radial - Camshaft Bushes
··Clearance, Radial - Camshaft Bushes
··Cam Lobe Height (Total)
····Inlet
····Exhaust
=<>=
General Information - Engine Block
··Bore - Holder, Main Bearings (Engine Block)
··Bore - Holder, Main Bearings (Engine Block)
··Bore - Holder, Main Bearings (Engine Block)
··Cylinder Sleeve Protrusion
····Notes
····Notes
····Notes
····Notes
····Notes
····Notes
····Notes
····Notes
Cylinder Sleeve----------
··Inner Diameter - Cylinder Sleeve
····Standard Size
····Wear limitation
Piston----
··Diameter - Piston
····Standard Size
Gudgeon Pin--------------
··Diameter - Gudgeon Pin (Eye)
··Clearance, Radial - Gudgeon Pin
····Clearance, Radial - Piston Rod / Piston
····Clearance, Radial - Small End Bush / Gudgeon Pin
Piston Ring Set----------
··Height, 1st Piston Ring (Compression)
··Height, 2nd Piston Ring (Compression)
··Height, Piston Ring (Oil Trap)
··Piston Ring, Groove
··1st Piston Ring, Lock - Clearance (Compression)
··2nd Piston Ring, Lock - Clearance (Compression)
··Piston Ring, Lock - Clearance (Oil Trap)
··1st Piston Ring, Height - Clearance (Compression)
··2nd Piston Ring, Height - Clearance (Compression)
··Piston Ring, Height - Clearance (Oil Trap)
Connecting Rod-----------
··different, Weight - Connecting Rod (Max.)
··Bore - Holder, Connecting Rod (Small End Bushes)
····Wear limitation
··Bore - Holder, Connecting Rod (Big End Bearing)
··Inner Diameter - Big End Bearing
····Standard Size
····1st Oversize
····2nd Oversize
····3rd Oversize
··Clearance, Radial - Big End Bearing
··Clearance, Radial - Big End Bearing
····Wear limitation
··Diameter, Bearing Journal - Connecting Rod
····Standard Size
····1st Undersize
····2nd Undersize
····3rd Undersize
··Bearing Journal, Connecting Rod - Tolerance (Oval)
····Bearing Journal, Connecting Rod - Oval (Max.)
··Bearing Journal, Connecting Rod - Conical (Max.)
Crankshaft
··Number of bearings
··Diameter, Bearing Journal - Crankshaft (Standard Size)
··Diameter, Bearing Journal - Crankshaft (Standard Size)
··Diameter, Bearing Journal - Crankshaft (Standard Size)
··Diameter, Bearing Journal - Crankshaft (Standard Size)
··Diameter, Bearing Journal - Crankshaft (1st Undersize)
··Diameter, Bearing Journal - Crankshaft (1st Undersize)
··Diameter, Bearing Journal - Crankshaft (1st Undersize)
··Diameter, Bearing Journal - Crankshaft (1st Undersize)
··Diameter, Bearing Journal - Crankshaft (2nd Undersize)
··Diameter, Bearing Journal - Crankshaft (2nd Undersize)
··Diameter, Bearing Journal - Crankshaft (2nd Undersize)
··Diameter, Bearing Journal - Crankshaft (2nd Undersize)
··Diameter, Bearing Journal - Crankshaft (3rd Undersize)
··Diameter, Bearing Journal - Crankshaft (3rd Undersize)
··Diameter, Bearing Journal - Crankshaft (3rd Undersize)
··Diameter, Bearing Journal - Crankshaft (3rd Undersize)
··Width, Bearing Journal (Crankshaft)
····Standard Size
··Bearing Journal, Crankshaft - Conical (Max.)
··Bearing Journal, Crankshaft - Oval (Max.)
··Clearance - Main Bearing, crankshaft
··Clearance - Main Bearing, crankshaft
··Clearance - Main Bearing, crankshaft
··Clearance - Main Bearing, crankshaft
····Wear limitation
··Bearing clearance - Axial Bearing
Main Bearing scales, crankshaft -----------------------------
··Thickness, Axial Bearing (Bearing Shell)
····Standard Size
····1st Oversize
····2nd Oversize
Cooling System-----------
··Type
··Clearance, Axial - Outer, Rotor (Housing, Oil Pump)
··Clearance - Outer, Rotor => Inside, Rotor
··Clearance - Outer, Rotor => Housing, Oil Pump
=<>=
Cylinder Head Bolts------
····Stage 1
····Stage 2
····Stage 2
····Stage 2
····Stage 3
····Stage 3
····Stage 4
····Stage 5
····Stage 6
····Stage 7
Main Bearing Cap, crankshaft --------------------------------
Bearing Cap, connecting rod
····Stage 1
····Stage 2
Crankshaft
Vibration Damper, Crankshaft --------------------------------
Flywheel--
····Stage 1
····Stage 2
Camshaft--
··Adjusting Screw, valve clearance, Lock Screw
Rocker Arm Shaft, valve train -------------------------------
··Rocker Arm Bridge
Timing Case--------------
··Timing Case, Cover
Glow Plug-
Starter---
Water Pump
Injector Nozzle----------
Oil Pump--
Oil Pan---
Exhaust Manifold---------
Intake Manifold----------
Turbocompressor---------
Gain access

Enginedesk contains rich-data for parts and engines. The service is particulary useful for engine rebuilders and maintenance shops.

You can browse all information online. To get access to the technical data and parts information we provide the following options:

  • Anytime 'all access' € 25,- * per month.
  • Anytime 'all access' € 250,- * yearly.

* Excluding sales tax (21%)

Parts manufacturer

Reach thousands of remanufacturing companies. Promote your aftermarket parts and services world wide.

Please contact Enginedesk via info@enginedesk.com.