3.1L V6 engine of car Chevrolet Lumina 1

Technical data of the 3.1 liter engine (V6)
General characteristics of the engine Cylinder numbering: Front row (from the radiator side) — 2-4-6 Back row - 1-3-5 The firing order in the cylinders is...

General information about engine repair
Note: On vehicles equipped with the Delco Loc II audio system, ensure that the audio lockout device is disabled before performing any procedures that require...

Repair work performed without removing the engine
There are many repairs that can be performed without removing the engine from the vehicle. Before starting any repair work, wash the engine compartment of the...

Setting piston N1 to TDC position
Note: The following procedure assumes that the distributor is installed correctly. If you want to find the TDC position in order to install the distributor...

Removal and installation valve covers
Removal 1. Disconnect the cable from the negative terminal of the battery. 2. Remove the air filter ( see chapter 4, section 8 ). Front valve cover 3....

Removal and installation the intake manifold
Removal 1. Relieve the pressure in the fuel supply system ( see chapter 4, section 2 ). 2. Disconnect the cable from the negative terminal of the battery. 3....

Removal, checking and installation valve rocker arms and stems
Removal 1. Remove the valve mechanism covers (caps) ( see section 4 ) and intake manifold (see section 5). 2. Starting from the poly V-belt side, unscrew the...

Replacement of springs, retainers and valve seals
Note: Broken valve springs and damaged valve stem seals can be replaced without removing the cylinder head. This operation typically requires two special tools...

Removal and installation of exhaust manifolds
1. Disconnect the cable from the negative terminal of the battery. 2. Remove the air filter ( see chapter 4, section 8 ). Front manifold 3. Allow the engine to...

Removal and installation the cylinder head
Caution: Allow the engine to cool completely before loosening the cylinder head bolts. Note: On high mileage vehicles, during repair work, before removing the...

Removal, inspection and installation of hydraulic valve lifters
1. A noisy valve lifter can be easily detected when the engine is idling. It is enough to put on a stethoscope (or by holding one end of a piece of hose to...

Removal and installation the anti-vibrator
Removal 1. Disconnect the cable from the negative terminal of the battery. 2. Loosen the right front wheel nuts. 3. Raise the vehicle and support it securely...

Replacing the front crankshaft oil seal
1. Remove the anti-vibrator ( see section 11 ). 2. Note how the cuff is installed - the new one should be installed to the same depth and oriented in exactly...

Removal and installation the timing chain cover
Removal 1. Disconnect the cable from the negative terminal of the battery. 2. Loosen, without completely unscrewing, the coolant pump pulley mounting bolts,...

Checking, removing and installing the timing chain and sprocket
1. If the vehicle's engine has a significant mileage and there is visible damage to the timing chain or if it sags between the sprockets by more than 1 inch...

Removal and installation the oil pan
Removal 1. Disconnect the cable from the negative terminal of the battery. 2. Remove the poly V-belt ( see chapter 1, section 21 ). 3. Raise the front of the...

Removal and installation the oil pump
Removal 1. Remove the oil pan ( see section 15 ). 2. After unscrewing the oil pump mounting bolts, remove it from the engine (see illustration). 16.2. Location...

Checking and replacing the engine mount
Attention! When performing the procedures discussed below, it is recommended to use appropriate techniques and devices. Be careful not to get under the engine...

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