Valuable technical information and tips pertaining to all aspects of servicing and repairing MAHLE Aftermarket products keep you up to date. The TM is available on a monthly basis.

If required, we will inform you via mail plus the appropriate link: online registration

Enclosed you will find all the issues of the year:

Technical Messenger

Apparent leakage in MAN radiators

Issue no. 04/2020

Ensuring correct A/C compressor oil filling quantities

Issue no. 03/2020

Additional connection on MAN radiators

Issue no. 02/2020

Risk of confusion: oil filter inserts OX 183/5D and OX 183/5D1

Issue no. 01/2020

Alternators with an S terminal

Issue no. 06/2019

Fuel filter elements with meltblown coating

Issue no. 05/2019

Installation note on oil filter inserts with non-return mechanism

Issue no. 04/2019

Torn-off valve due to canted valve spring

Issue no. 03/2019

Thermostat makes rattling noises

Issue no. 02/2019

Mechanical overload due to starting when the engine is coming to a stop

Issue no. 01/2019

Piston dimensions and installation clearance: what you need to know

Issue no. 08/2018

Installation note for oil filter inserts OX 379D and OX 370D1

Issue no. 07/2018

Fluctuating coolant temperature

Issue No. 06/2018

Defective map-controlled thermostat

Issue no. 05/2018

Alternator not working

Issue no. 04/2018

Damaged oil filter paper

Issue no. 03/2018

Additional securing aids for air filter element LX

Issue no. 02/2018

Different fuel filter elements in the same housing height

Issue no. 01/2018

Leaves in the water tank

Issue no. 10/2017

Connection defect when changing the starter motor

Issue no. 09/2017

Bleeding the fuel system following a filter change

Issue no. 08/2017

Power loss as a result of defective crankcase ventilation

Issue no. 07/2017

Alternator failure due to oil ingress

Issue No. 06/2017

Instructions for the assembly of non-controlled turbochargers

Issue no. 05/2017

Leakage after fitting the oil filter insert OX 388D Eco in 1.6 and 2.0 TDI engines

Issue no. 04/2017

Incorrectly fitted air filter element LX 2049/4 in Audi V-type engines

Issue no. 03/2017:

Starter motor failure due to overload

Issue No. 02/2017

Piston damage due to broken piston cooling nozzles

Issue no. 01/2017

Corrosion damage on thermostats

Issue no. 9/2016

Shaft separation in alternators

Issue no. 08/2016

Foreign object damage in the turbocharger

Issue no. 7/2016

Thermal problems after a thermostat change: air in the cooling circuit

Issue no. 06/2016

Apparent oil leakage at the new turbocharger

Issue no. 05/2016

Leaky oil filters: oil pressure regulating valve clogged

Issue no. 04/2016

Decline in turbocharger performance—diesel particulate filter loading limit reached

Issue no. 03/2016

Comparison of MAHLE oil filter inserts OX 404 and OX 813/1

Issue no. 02/2016

Fitting instructions for thermal switches (TSW)— delayed opening and closing times

Issue no. 01/2016

MAHLE OX filters with fleece end cap

Issue no. 03/2015

Replacing the oil filter insert OX 787D in VW TDI engines

Issue No. 02/2015

Turbocharger mounting kits for PSA engines DV6ATED4 and DV6UTED4

Issue 01/2015

Poor responsiveness and performance?

Issue 6/2014

KL 82 – strange noises after replacing the filter?

Issue 05/2014

Turbo tip-excessive crankcase pressure in vehicles with turbochargers 030TC14011000 or 082TC15850000

Issue 04/2014

Oil filter OX 171/2D: engine damage caused by dangerous replicas

Issue 03/2014

Trivial Pursuit - the search for the turbo culprit

Issue 02/2014

Peugeot DV 6 turbocharged engines: essential steps for long-lasting damage repair

Issue 01/2014

KX 191/1 D and KX 80 D - Difficulty starting after installing the filter? Tips for correct installation

Issue 10/2013

Lack of performance or whistling noises after a turbocharger replacement? The truth is in the gasket

Issue 09/2013

Problems following a filter change? Tips for fitting the MAHLE fuel filter KX 229 D correctly

Issue 08/2013

MAHLE Oil filter insert OX 339/2D: oil pressure problems after replacing filter

Issue 07/2013

Installing coolant thermostats correctly

Issue 06/2013

Modification information: KL 431 becomes KL 431 D

Issue 05/2013

MAHLE LX 1780/3 - anti-rotation protection in use

Issue 04/2013

MAHLE LX 1025 air filter element - designed for two housing heights

Issue 03/2013

Avoiding and eliminating KL599 leaks (Audi applications)

Issue 02/2013

Installing the water level sensor in diesel fuel

Issue 01/2013

Cylinder liners with cylinder liner ring (fire ring) - Information about function and assembly

Issue 07/2012

Fitting instructions for MAHLE oil filter inserts (OX)

Issue No. 06/2012

OX 171/2 D Eco and OX 171/16 D Eco: Critical design differences between MAHLE and the competition

Issue 04/2012

Filter inserts KX 178 D, KX 228 D and KX 220 D: risk of leaks due to assembly error

Issue 05/2012

Complaints after an oil change in VW 1.2 and 1.4 TSI engines

Issue No. 03/2012

Comparison of the MAHLE OX 188 D ECO and its Competitors

Issue 02/2012

Meltblown microfibre fleece for more efficient filter elements

Issue 01/2012

Cabin air filters with activated carbon

Issue 01/2011

MAHLE In-line fuel filters for BMW diesel vehicles

Issue 02/2011

MAHLE Inline Fuel Filter for Renault Diesel Vehicles

Issue 03/2011

Clear the ring for the replacement of valve seat inserts

Issue 03/2010

Oil filter successor OC 606

Issue 02/2010

Assembling and Disassembling Valve Guides

Issue 01/2010

Special gaskets at OX-type filters

Issue 04/2009

Assembling and Disassembling Valves

Issue 03/2009

Technical information for air filter element LX 791

Issue 02/2009