| Opel / Vauxhall | Adam | 2015 | 2015 | 1.2L (LWD) A/B12XEL, 1.4L (L2Z) A14XEL, 1.4L (LDD) B14 XEL, 1.4L (LDD) A/B14XER, 1.4L (LUJ) B14NEH | F17 (MDG), F17–MTA (MJA), M32 (MZ0) | ||
| Opel / Vauxhall | Astra-J | 2015 | 2015 | 1.4L (LDD) A/B14XER, 1.4L (LUJ) A/B14NEL, 1.4L (LUJ) A/B14NET | F17 (MDG), F17 (M26), M32 (MZ4), 6T-40 (MH8) | ||
| Opel / Vauxhall | Cascada | 2015 | 2015 | 1.4L (LUJ) A14NEL, 1.4L (LUJ) A14NET | M32 (MR5) | ||
| Opel / Vauxhall | Corsa-D | 2015 | 2015 | 1.2L (LWD) A12XEL, 1.2L (LDC) A12XER, 1.4L (L2Z) A14XEL, 1.4L (LUH) A14NEL, 1.4L (LDD) A14XER | F13 (ML5), F13-MTA (MV4), F17 (M26), F17 (M25), AF13 (MC7) | ||
Chevrolet | Cruze | 2015 | 2015 | 1.4L (LUJ) A/B/U14NET | 6T40 (MH8), M32 (MZ4) | ||
| Opel / Vauxhall | Insignia | 2015 | 2015 | 1.4L (LUJ) A/B14NET | M32 (MR5), M32 (MZ4) | ||
| Opel / Vauxhall | Meriva-B | 2015 | 2015 | 1.4L (LDD) A/B14XER, 1.4L (LUH) A/B14NEL, 1.4L (LUJ) A/B14NET | F13 (MPW), F17 (M26), M32 (MZ0), AF 40 (MDK) | ||
| Opel / Vauxhall | Mokka | 2015 | 2015 | 1.4L (LUJ) A/B1 NET | M32 (MR5), M32 (M7Y), 6T-40 (MH8) | ||
| Chevrolet | Sonic | 2015 | 2015 | 1.4L (LDD) A14XER, 1.4L (LUJ) A14NEL, 1.4L (LUJ) A14NET | F17 (M26), M32 (MR5), 6T30 (MH9), 6T40 (MH8) |
Engine oil leak from the rear of the engine, coming from the transmission flex plate or flywheel bolts due to the crankshaft threads being improperly drilled.
Not complete circumference of threads at the crankshaft
Correction
In case of a complaint with engine oil leak at transmission side, follow the working procedure
Working Procedure:
- Remove the automatic transmission flex plate or engine flywheel.
- Inspect the 6 crankshaft threaded bores (1)
Note: If the threads are incorrect, there will be oil present on the bolts’ threads and mating surface to the flywheel or flex plate
- Threads on the left of the image have the complete circumference of threads and is NOT the root cause of the oil leak
- Threads on right of the image have the partially, not complete circumference of threads and is most likely the root cause of the oil leak.
- If all of the threads in the bore are correct, do not use this procedure because this is not the root cause of the oil leak, continue diagnoses of the origins of the oil leak.
- Remove residuals of self-locking compound from the affected threads.
- Clean all 6 crankshaft bores with Brake Cleaner or equivalent.
- Before reinstalling the flex plate or flywheel, apply Sealant P/N 90297970/15 03 167 (Loctite 518) (3) in addition to existing self locking compound to the 6 bolts as illustrated below.
Note: Do NOT replace the clutch pressure and driven plate if it is not oil contaminated.
- Ensure to cover 4-5 threads (1) of the bolt before the pre-applied thread lock and cover 1-2 threads (2) of the pre-applied thread lock.
- Install the automatic transmission flex plate or engine flywheel
Note: Ensure to use NEW bolts
| Bolt, AT Flexplate or SMF | 55571538
General Motors 55571538, Clutch Flywheel Bolt
| 6 16 083 | 6 |
| Bolt, Dual mass flywheel | 93186900 | 6 16 960 | 6 |
| Sealant | 90297970 | 15 03 167 | 1 |
SaleBestseller No. 1
Loctite Threadlocker Blue 242 - Removable Thread Lock Glue for Nuts, Bolts, & Fasteners, Medium Strength Screw Glue to Prevent Loosening & Corrosion - 6 ml, 1 Pack
- Lock and Seal Fasteners: Prevents loosening of metal fasteners caused by vibration on small motors, mowers, and power equipment
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- Removable: Can be removed with hand tools
- Easy and Quick: Sets in 10 minutes and fully cures in 24 hours
- For 6-19mm Fasteners: Medium-strength formula for use on threads for 6mm to 19mm nuts and bolts
Bestseller No. 2
Thread Lock Blue and Red, Threadlocker Medium and High Strength, Thread Locker for Nuts, Bolts, Fasteners and Metals, Against Losening and Leakage (50 mlx2)
- Threadlocker: Thread locker has strong adhesion and can fix screws, nuts, and metal fasteners to prevent loosening due to vibration
- Sealing and leakage prevention: Using thread locker cores instead of solid gaskets, close contact, perfect sealing, and effective leakage prevention
- Prevents Rust and Corrosion: Protects from leaks, rusting, and corrosion and eliminates need to stock up on expensive lock nuts and washers
- Easy to use: Simply apply the threadlocker evenly to the thread, tighten the nut, and cure initially for 20 minutes, then fully cure within 24 hours
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Bestseller No. 3
Permatex 24200 Medium Strength Threadlocker Blue, 6 ml, Automotive Threadlocker For Preventing Bolts From Loosening And Corrosion, Removable With Hand Tools
- Locks And Seals While Preventing Parts Loosening Due To Vibration
- Protects Threads From Corrosion
- Ideal For All Nut And Bolt Applications 1/4" To 3/4" (6Mm To 20Mm)
- Removable With Hand Tools For Easy Disassembly
Bestseller No. 4
ESKONKE Thread Locker Blue 243 - Removable Threadlocker Metal Glue for Nuts, Bolts, Fasteners Medium Strength Screw Compound to Prevent Loosening & Corrosion 1.69 Oz/50 ml
- Fastening Screws Thread Locker: Ensure long-lasting fastening of bolts and nuts, preventing loosening caused by vibration or shock—even in extreme conditions like high vibration, humidity, or ultra-high/low temperatures. A must-have solution for extending the service life and ensuring the safe use of metal fasteners!
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Bestseller No. 5
Blue Thread Locker Medium Strength Removable 1.69 Fl oz/50 ml Nuts & Bolts Locker Threadlocker Lock Tight & Seal Fasteners Anaerobic Curing Metal Glue (243 + 271)
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