Technical Modification History

The following modifications have been made at the dates noted

Designation:
Open-deck Design Of The Crankcase
Nature And Reason For Modification:
The crankcase has been modified for production engineering reasons. The cylinders are now open in the top part.
Production Breakpoints:
04 1993

Designation:
Timing case cover
Nature And Reason For Modification:
Center bore with thread at contact surface to cylinder head offset.
Production Breakpoints:
04 1993

Designation:
Cylinder head
Nature And Reason For Modification:
A standard cylinder head has been designed for the engines 119.98 in order to reduce the variety of parts.
Production Breakpoints:
09 1995

Designation:
Compression pressure
Nature And Reason For Modification:
Compression pressure has been increased to e 11 for engines M119.980/982
Production Breakpoints:
09 1995

Designation:
Cover at front of cylinder head
Nature And Reason For Modification:
Both high tension distributors on M119.98 are discontinued with introduction of Motronic system.
Production Breakpoints:
09 1995


Designation:
Increment Gear
Nature And Reason For Modification:
Starter ring gear and driven plate firmly connected. 60-2 segments for position sensor provided on ring gear.
Production Breakpoints:
09.95

Designation:
Pistons
Nature And Reason For Modification:
Pistons for M119.980/982 lighter weight and shape optimized.
Production Breakpoints:
09.95

Designation:
Crankshaft
Nature And Reason For Modification:
Modified crankshaft webs (in shape of ship's bow).
Production Breakpoints:
09.95

Designation:
Vibration damper
Nature And Reason For Modification:
Damper vulcanized on and weight-optimized.
Production Breakpoints:
08.94

Designation:
Dowel sleeves of camshaft bearing caps
Nature And Reason For Modification:
Elimination of dowel sleeves and holes in camshaft bearing caps and cylinder head.
Production Breakpoints:
--

Designation:
Camshaft adjuster
Nature And Reason For Modification:
Modified version, weight-optimized and with segment for detecting cylinder 1.
Production Breakpoints:
09/95

Designation:
Securing bolts of camshaft adjuster to camshaft.
Nature And Reason For Modification:
Attached with stretch shank bolt. Modified tightening torque.
Production Breakpoints:
--

Designation:
Valve conical spring
Nature And Reason For Modification:
Weight-optimized and modified characteristic.
Production Breakpoints:
--

Designation:
Valve guides
Nature And Reason For Modification:
Sintered metal valve guides.
Production Breakpoints:
phased-in 1993

Designation:
Exhaust camshaft
Nature And Reason For Modification:
Without journal for distributor rotor.
Production Breakpoints:
04.95

Designation:
Bucket tappets
Nature And Reason For Modification:
Weight-reduced, must be fitted only with conical-shaped valve springs.
Production Breakpoints:
04.95