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Buick Regal Repair Manuals

Buick RegalFree Buick Regal repair manuals [pdf] for do-it-yourselfers. Content: general information; maintenance; common specs & procedures; DTC index (trouble codes); accessories & equipment; body & frame; brakes; driveline/axles; electrical; wiring diagrams; engine; engine performance; HVAC; lighting; restraints; steering; suspension; transmission.

The third generation Buick Regal was introduced in 1988. Technical specs: Wheelbase: 107.5 in (2,730 mm); Length: 191.6-196.0 in (4,867-4,978 mm); Width: 72.5 in (1,842 mm); Height: 53.0-54.5 in (1,346-1,384 mm); Engines: 2.8L Chevrolet LB6 MFI V6 125 hp (93 kW) and 160 lb·ft (220 N·m); 3.1L Chevrolet LH0 MFI V6 140 hp (104 kW) at 4,800 rpm and 180 lb·ft (240 N·m) at 3,600 rpm; 3.1L Chevrolet L82 SFI V6 160 hp (119 kW) at 5,200 rpm and 185 lb·ft (251 N·m) at 4,000 rpm; 3.8L Buick L27 V6 170 hp (127 kW) and 220 lb·ft (300 N·m); 3.8L Buick L36 V6 200 hp (149 kW) and 225 lb·ft (305 N·m); Transmissions: 4-speed automatic: 4T60, 4T60-E.
1988-1996 Buick Regal repair manual
1988-1996 Buick Regal wiring diagrams
The fourth generation Buick Regal was introduced in 1997 in two trim levels: LSE and GSE. Technical specs: Wheelbase: 109.0 in (2,769 mm); Length: 196.2 in (4,983 mm); Width: 72.7 in (1,847 mm); Height: 56.6 in (1,438 mm); Engines: 3.8L Buick L36 V6 produced 200 hp (149 kW) and 225 lb·ft (305 N·m) of torque; 3.8 L L67 Series II supercharged V6 produced 240 hp (180 kW) and 280 lb·ft (380 N·m) of torque (the Chinese market Buick Regal had different engines: the 2.0 L L34, the 2.5 L LB8 V6 and the 3.0 L LW9 V6); Transmissions: 4-speed 4T60-E automatic; 4-speed 4T65-E automatic; 4-speed 4T65-E HD automatic.
1997-2004 Buick Regal repair manual
1997-2004 Buick Regal wiring diagrams
The fifth generation Buick Regal was introduced in 2011. Technical specs: Wheelbase: 107.8 in (2,738 mm); Length: 190.2 in (4,831 mm); Width: 73.1 in (1,857 mm); Height: 58.4 in (1,483 mm); Engines: 2.0L LDK I4 257 hp (192 kW) at 5,400 rpm and 300 lb·ft (400 N·m) at 3,000 rpm; 2.0L LHU I4 220 hp (160 kW) at 5,300 rpm and 258 lb·ft (350 N·m) at 2,000 rpm; 2.4L LE5 I4 168 hp (125 kW) at 6,400 rpm and 166 lb·ft (225 N·m) at 4,800 rpm; 2.4L LEA I4 182 hp (136 kW) at 6,700 rpm and 172 lb·ft (233 N·m) at 4,900 rpm; 2.4L LUK I4 182 hp (136 kW) at 6,700 rpm and 172 lb·ft (233 N·m) at 4,900 rpm; Transmissions: 6-speed automatic: 6T40; 6T50; 6T70; Aisin AF40; 6-speed Aisin F40 manual.
2011-2017 Buick Regal repair manual
2011-2017 Buick Regal wiring diagrams
The sixth generation Buick Regal was introduced in 2018 in 4-door sedan, 5-door fastback, and 5-door wagon body styles. Technical specs: Wheelbase: 111.4 in (2,829 mm); Length: 192.8-196.3 in (4,897-4,986 mm); Width: 73.3 in (1,863 mm); Height: 57.3 in (1,455 mm); Engines: 1.5L LFV I4 produced 169 hp (126 kW) at 5,600 rpm and 184 lb·ft (250 N·m) at 1,700-4,000 rpm; 2.0L LTG I4 produced 250 hp (186 kW) at 5,400 rpm and 260-295 lb·ft (353-400 N·m) at 2,000-5,200 rpm; 3.6L SIDI LGX V6 produced 306 hp (228 kW) at 6,800 rpm and 282 lb·ft (382 N·m) at 5,200 rpm; Transmissions: 6-speed automatic; 8-speed automatic; 6-speed manual.
2018-present Buick Regal repair manual
2018-present Buick Regal wiring diagrams
Free Buick repair manuals