- Repair the engine yourself. This is worth doing, for example, with a defective cylinder head gasket. This book describes a repair that you, with some skill and patience, can do yourself. It does not make sense to install new bearings on a notched crankshaft, to replace pistons or piston rings in cylinders with damaged walls. This is work for an engine repair shop.
- Partially disassemble the engine yourself and then send it to a repair shop, which will eliminate the immediate defect. Example: the engine is dismantled on its own, the cylinder head is removed, and the workshop reinstalls the crankshaft on bearings. It is important to compare costs here.
- Full or partial engine repair by an engine repair company. Many workshops in this industry have merged: Association of engine repair companies (Verband der Motoren-Instandsetzungsbetriebe e.V., Kolner StraBe. 89, 50 859 Koln). They guarantee engine repairs in accordance with certain quality guidelines.
- Buying an engine section from an Opel workshop or repair company The engine section consists of a cylinder block with pistons, connecting rods, crankshaft and camshaft with all bearings, crankshaft and camshaft pulleys, oil pump and a set of gaskets. The cylinder head, crankcase, injection system and auxiliary units are taken from the old engine. The last one is given back. Installation work is extensive, so check and calculate in a timely manner whether it is better to contact the workshop.
- Buying an engine assembly for replacement at an Opel service, perhaps it is there. But it will not pay off if the car is old or poorly preserved.
- Used engine at a car recycling company But pay attention to the exact engine data so that you do not install an unsuitable engine. The reported mileage data should be viewed with some skepticism. It is useful to listen to the work of the still installed engine. Serious companies give a guarantee on engines or offer a compression diagram (let's hope it's real).
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