N43 Teardown: Low oil pressure & Spun bearings | PART #7
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- Опубликовано: 23 июл 2024
- Part 1: N43 Crank No Start, VANOS codes, Low oil pressure Diagnosis [ • N43 Crank No Start, V... ]
Part 2: N43 Valve Cover, VANOS Units & Camshafts Removal [ • N43 Valve Cover, VANOS... ]
Part 3: N43 VANOS Inspection & Cleanup [ • N43 VANOS Inspection &... ]
Part 4: N43 Intake Manifold Removal [ • Video ]
Part 5: N43 Transmission, Clutch, Flywheel Removal [ • N43 Transmission, Clut... ]
Part 6: N43 Engine Removal [ • N43 Engine Removal | P... ]
Part 7: N43 Teardown: Low oil pressure & Spun bearings [ • N43 Teardown: Low oil ... ]
Part 8: N43 Bottom End Rebuild PART 1 [ • N43 Bottom End Rebuild... ]
Part 9: N43 Cylinder Head Rebuild PART 2 [ • N43 Cylinder Head Rebu... ]
Part 10: N43 Timing and assembly PART 3 [ • N43 Timing & Complete ... ]
Part 11: N43 Engine & Radiator Installation [ • N43 Engine & Radiator ... ]
Part 12: N43 Intake Manifold Gaskets Replacement & Installation [ • N43 Intake Manifold In... ]
Part 13: N43 Clutch Replacement, Flywheel & Transmission Installation [Coming soon...]
Part 14: N43 Will It run after Rebuild? [Coming soon...]
Part 15: O God, please, let it end...!
BMW Lifters Cleaning, Bleeding, Checking & How they work [ • BMW Lifters Cleaning, ... ]
Buy Valve Spring Compressor Tool Kit for BMW N42/N46/N40/N45/N43: bimmerzen.com/store
How to use the VSCT tool: • Using 3D printed tool ...
Fix oil consumption on BMW N42/N46: • BMW N42/N46 Valve Stem...
I completely dissasemble and inspect the damage on a BMW N43 engine after I diagnosing crank no start, knocking sound, with VANOS and low oil pressure MSD80 INPA codes. Copper bearing material in oil filter, clogged VANOS solenoids. Car has 216.000 km.
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10905 0x2A99 Kurbelwelle - Auslassnockenwelle, Referenz
(4173) Wert außerhalb Referenzbereich
10887 0x2A87 Auslass-VANOS, Mechanik
(4168) schwergängig, klemmt mechanisch
12481 0x30C1 Motoröldruckregelung, statisch
(4763) Druck zu niedrig
12190 0x2F9E Thermischer Ölniveausensor
(4169) Signal fehlt
10906 0x2A9A Kurbelwelle - Einlassnockenwelle, Synchronisation
(4174) Signal ungültig für Synchronisation
11562 0x2D2A Differenzdrucksensor, Saugrohr: Adaption
(5224) Druck unplausibel
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Chapters:
0:00 Intro
1:22 Removing wiring harnes & starter motor
2:30 Securing the engine on engine stand
2:56 Teardown from bottom side up
3:36 Oil filter housing & oil cooler gasket leak
4:05 Removing and inspecting oil pressure regulator solenoid
5:23 Removing engine and AC compressor bracket
5:37 Removing oil pan
6:41 Broken plastic chain rail debris in oil pan & clogged oil pickup tube mesh
11:20 Removing vibration damper pulley, oil pump & balancing shafts unit
13:13 First signs of rod knock, removing the con rod caps, spun bearing shells
17:03 Removing central crank bolt & central hub
18:45 Removing lower crankcase (cradle)
21:03 First look at the main crankshaft journals & removing crankshaft
23:09 Detailed inspection of the spun bearings and crankshaft damage
28:11 Disassembling & inspecting oil pump
33:57 Removing valve cover, chain & chain rail guide
35:21 Removing camshafts & inspecting cylinder head damage
36:41 Inspecting damage on camshafts & bearing shells cups journals
40:15 Removing & inspecting chain tensioner revision
41:14 Removing rocker arms
41:32 Removing exhaust header, water pump, oil filter housing & EGR valve
42:40 Removing head bolts & cylinder head
44:02 Inspecting head gasket & top of the block pistons, burning oil deposits
45:10 Removing pistons
45:50 Inspecting cylinder walls
46:48 Inspecting pistons, rings and conrods
49:36 Inspecting cylinder head, valves
50:45 Testing valves for leak
52:15 Conclusion & failure analysis: chain rail broke, clogged oil puckup, oil starvation, spun con rod bearings
55:29 Worth rebuilding? I will rebuild!
N43B16, N43B20, N43B20A, N43B20AA
2007-2011 E81/E87 116i
2007-2011 E90/E91/E92/E93 318i
2008-2011 E81/E87/E88 118i
2007-2011 E81/E82/E87/E88 120i
2007-2011 E90/E91/E92/E93 320i
2007-2009 E60/E61 520i
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Авто/Мото
Oh damn! I love these N43 units. Been keeping me busy for the last 15 years lol. Nice video buddy.
Ive just done a rebuild on my n43. First engine rebuild. Never done it before and very little guidance out there. Wish id had these vids when i was doing it. I think ive done good but the oroofs in the pudding. Just got wngine back in and on box and reconnecting everything. Fingers crossed!!
You can replace a oil pump with a simpler one without the heavy and power robbing balancing shafts from an N43B16 1.6 litre engine. The crank no start could also be caused by a faulty reluctor(either crankshaft or cam sensor)
Could you also provide some codes for the latest revision of tensioner and other timing parts?
Hello, love ur video’s. Could you please help us. I have a 1 series e81 N43b16 and my lower oil pump chain is pretty loose and i have oil pump problems. We found out that the oil pump sensor is defect but we want to know if the chain should be tight or not?
Should be prety tight but it also depends on if tensioner is filled with oil and if chain is under counter tension. Check out my N43 rebuild video series part 1 where I assemble oil pump.
Nice job man!))) Can you please tell me what is the clearance in the connecting rod bearings? I have 3*0.05 and 1*0.055. Is this normal?
Large connecting rod eye (without bearing): 53.600 ... 53.616 mm
Radial conrod bearing play: 0.025 ... 0.070 mm
@@BimmerZen Thank you.
Hi,
Are you based in UK?
I also have a N43 engine 3 series 2008 and to start my car it takes a while and then it works. However during driving when I accelerate it causes serious hiccups.
Not in UK, check for errors with compatible scan tool, I would suspect injector issue.
Can you explain around 48:45 why all the conrods have to come from the same set?
That is stated in the BMW repair manual for this procedure. However, I think that this is just a standard procedure to avoid any complications when doing warranty work by BMW. In a DIY setting like mine I think I could have used just one rod from the donor engine and all would be OK. The problem could arise if the replacement rod would have significantly different weight than the other 3. In that case it would be possible to weight match and balance them, but that would mean more work:)
@@BimmerZen
Aaah. Thank you for the answer.
I would think if original replacements are used that, given german engineering, it's unlikely that there would be such a weight difference to actually create any problems...
Since I'm replacing 3 conrods I hope this to be the case.
How many km on the clock?
216.000