What do you need to know about Mercedes OM642 engine?
Some OM642 engines respond better to more or less aggressive camshaft durations so view each engine as unique. The ECU mapping and fuelling also have a large bearing on the bhp gains you’ll hit.
When did the Jeep Grand Cherokee come out?
Released in July 2005, the Jeep WH Series I (WH.I) Grand Cherokee was a five-seat, 4WD wagon. Manufactured in Detroit, USA, the WH Grand Cherokee was available with five engines and in Laredo, Limited and SRT-8 variants (see table below).
What kind of diesel does a Jeep Grand Cherokee have?
2007 Jeep Grand Cherokee OM642 3.0 V6 Turbo Diesel – YouTube New addition this summer to the family fleet OM642 3.0 V6 Turbo Diesel -8’C Cold Start AmsOil 5W-40 229.51 spec oil New addition this summer to the family fleet OM642 3.0 V6 Turbo Diesel -8’C Cold Start AmsOil 5W-40 229.51 spec oil Skip navigation Sign in Search Loading… Close
Is the swirl motor on a Jeep Grand Cherokee a failure?
I’ve interested in buying a 2007 Grand Cherokee diesel, but I just found out that the swirl valve motor on these are prone to failure. The total km’s on … read more 2008 Jeep Grand Cherokee 3.0L diesel, Mercedes OM642. FORMER SHOP OWNER/T…
Are there any performance mods for the Jeep OM642?
I think it’s time we have a thread dedicated to all things performance and improvement modifications for the Jeep OM642 CRD engine. This will be helpful to have all the modifications we have done to improve upon the design, performance, and reliability of the drivetrain in one thread.
What kind of engine does the 2005 Jeep Grand Cherokee have?
That time has arrived, as the redesigned Grand Cherokee sport utility vehicle can be equipped with Hemi power. The 2005 Grand Cherokee promises “best-in-class tractive capability and best-in-class power,” according to Jeep. A new, more powerful 3.7-liter V-6 replaces the previous inline-six-cylinder engine.
What is stock intake system on Jeep OM642?
Intake system upgrade, the stock intake system does not leave much in the way for performance. It basically fits the under the plastic engine cover and provides air to the turbo. The plastic engine cover was removed pretty much from day one. To provide fresh cool air to the turbo you need to provide a path from the cool outside air.
Released in July 2005, the Jeep WH Series I (WH.I) Grand Cherokee was a five-seat, 4WD wagon. Manufactured in Detroit, USA, the WH Grand Cherokee was available with five engines and in Laredo, Limited and SRT-8 variants (see table below).
How does twin scroll turbo chargers work on Mercedes OM642?
Twin scroll turbo chargers divert the exhaust flow into 2 channels and push these at differently angled vanes in the turbo. They also increase the scavenging effect of the engine. It is common that there is a restriction in the air flow sensor AFM/MAP on the OM642 when considerably more air is being drawn into the engine.
How does the intake plenum work on the OM642?
The intake plenum take the air from the filter and allow it to be sucked into the engine and mixed with fuel. The shape and rate of flow of the Plenum can make a large improvement to fuel engine efficiency on the OM642. Most headers are crying out for motorsport parts, although a few OEM provide fairly well optimized headers.
How often should I clean my Mercedes OM642 diesel engine?
Therefore, for vehicles equipped with an OM642 3.0L diesel engines, it will be helpful to clean an air intake manifold, intake pipes, and crankcase ventilation pipes every 60-80k miles. Otherwise, the swirl valves may be stuck and an overloading electric drive motor will blow a fuse that controls other sensors.
What kind of engine does the Mercedes OM642 have?
The OM642 V6 CDI/BlueTEC engine replaced the previous five- and six-cylinder OM647 and OM648 inline engines. This MB 3.0L diesel unit was offered as an engine option for many cars and vans produced by Mercedes-Benz as well as under the Dodge, Jeep, Chrysler, and Freightliner brand.
What kind of timing kit does a Mercedes Benz use?
Timing tool kit for Mercedes-Benz engine 3.0 BlueTEC, OM642, or CD EXL 2005 – Present. This kit is also used with timing chain Kit 9312A or Mercedes equivalent to replace the timing chain and timing chain guides. You will earn 6 dollars off your next purchase for purchasing this product.
Is there a relative compression test for sprinter?
There is a relative compression test available using the wiTECH scan tool. Acceptable values between two cylinders must be equal to or less than 15 rpm. Restricted or aerated fuel supply to the high pressure pump. Actual versus desired too far apart, map the fuel pressure graph, if you have a fluctuation over 500 psi this may cause a surge.
Therefore, for vehicles equipped with an OM642 3.0L diesel engines, it will be helpful to clean an air intake manifold, intake pipes, and crankcase ventilation pipes every 60-80k miles. Otherwise, the swirl valves may be stuck and an overloading electric drive motor will blow a fuse that controls other sensors.