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Buick Electra 1977-1990 Workshop Repair & Service Manual

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Price: $14.99

Complete digital official shop manual contains service, maintenance, and troubleshooting information for the Buick Electra 1977-1990. Diagnostic and repair procedures are covered in great detail to repair, maintain, rebuild, refurbish or restore your vehicle like a professional mechanic in local service/repair workshop. This cost-effective quality manual is 100% complete and intact as should be without any missing pages. It is the same factory shop manual used by dealers that guaranteed to be fully functional to save your precious time.

This manual for Buick Electra 1977-1990 is divided into different sections. Each section covers a specific component or system and, in addition to the standard service procedures, includes disassembling, inspecting, and assembling instructions. A table of contents is placed at the beginning of each section. Pages are easily found by category, and each page is expandable for great detail. It is in the cross-platform PDF document format so that it works like a charm on all kinds of devices. You do not need to be skilled with a computer to use the manual.

EXCERPT:
1990 GENERAL MOTORS ENGINES 3.8L "3800" V6 - VIN C
Removal
1. Fuel pressure must be released before opening fuel system. To release fuel pressure, perform the following procedure. Disconnect negative battery cable. Loosen fuel tank filler cap. Connect Fuel
Pressure Gauge (J-34730-1) to fuel line fitting (wrap shop towel around fitting to absorb leakage). Place gauge bleed hose into container. Open bleed valve to release pressure.
2. Disconnect negative battery cable. Drain cooling system. Remove serpentine belt, alternator and brackets.
Remove power steering pump with hoses attached.
3. Disconnect coolant by-pass hose, heater pipe and upper radiator hose. Disconnect control cables and air intake from throttle body. Disconnect necessary electrical connections, vacuum lines and fuel lines.
4. Remove EGR pipe, EGR valve and adapter from throttle body. Remove throttle body coolant pipe from intake manifold. Remove throttle body adapter and throttle body from intake manifold.
5. Disconnect spark plug wires. It may be necessary to remove fuel rail to gain access to intake manifold bolts. Remove intake manifold bolts, manifold, gaskets and seals.
Installation
1. Ensure sealing surfaces and bolt threads and holes are clean. Apply GM Sealant (12345336) at the end of seals on cylinder block. Install manifold and gaskets. Coat bolt threads with thread sealant and install.
2. Tighten intake manifold bolts in sequence TWICE to 88 INCH lbs. (10 N.m). See Fig. 2. Lubricate coolant "O" rings with anti-freeze and fuel rail "O" rings with engine oil prior to installation. To install remaining components, reverse removal procedure. Fill cooling system.
NOTE: Apply thread sealant to intake manifold bolts prior to installation. Intake manifold bolts must be tightened in sequence TWICE to 88 INCH lbs. (10 N.m).
See Fig. 2.
Fig. 2: Intake Manifold Bolt Tightening Sequence
EXHAUST MANIFOLD
Removal - Left Side (Front)
1. Disconnect negative battery cable. It may be necessary to remove air inlet duct. Disconnect spark plug wires. Remove crossover pipe bolts from manifold.
2. Remove engine lift hook and manifold heat shield (if equipped). Remove oil dipstick and tube. Remove manifold bolts, manifold and gasket.
Installation
To install, reverse removal procedure using new gasket.
Removal - Right Side (Rear)
1. Disconnect negative battery cable. Disconnect spark plug wires and oxygen sensor. Remove EGR pipe (if equipped). It may be necessary to disconnect throttle cable from throttle body and brake booster hose.
2. Disconnect crossover pipe and exhaust pipe from manifold. Remove transaxle dipstick. Remove manifold heat shield (if equipped). Remove catalytic converter heat shield and pipe hanger. Remove exhaust pipe to manifold nuts. Remove engine lift bracket, manifold bolts, manifold and gasket.
Installation
To install, reverse removal procedure using new gasket.
CYLINDER HEAD
Removal
1. Remove intake manifold. See INTAKE MANIFOLD in this article. Remove exhaust manifold. See
EXHAUST MANIFOLD in this article.
2. On front cylinder head applications, disconnect spark plug wires. Remove alternator, ignition coil and bracket. Remove A/C compressor bracket bolt.
3. On rear cylinder head applications, disconnect spark plug wires. Remove power steering belt tensioner brace. Remove engine lift bracket assembly and set aside. Remove power steering pump with hoses attached and lay aside. Remove belt tensioner assembly and fuel line heat shield (if equipped).
4. Remove rocker arms, push rods and guide plates. See ROCKER ARMS & PUSH RODS in this article.
Remove cylinder head bolts, cylinder head and gasket.
Inspection
Inspect cylinder head warpage. See CYLINDER HEAD OVERHAUL in this article.
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