Recalls for your 1971 Chevrolet C40

Recalls for 1971 Chevrolet C40

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Chevrolet

1964 Chevrolet C/K 4.9 Litre Petrol.
Chevrolet and GMC C/K
Manufacturer
General Motors
Also called. GMC C/K
Production 19592002 (United States), 19592000 (Canada), 1965-2002 (Mexico), 19642001 (Brazil), 19751982 (Chile), 19601978 (Argentina), 19861991 (Argentina by Sevel) and 19602001 (East Asia)
Class, Full-size pickup truck
Body style, 2-door regular cab , 2-door extended cab, 3-door extended cab and 4-door crew cab
Layout Front-engine, rear-wheel-drive layout, Front-engine, four-wheel-drive layout
Predecessor Task Force
Successor Chevrolet D-20 and Chevrolet Silverado.

First generation

Overview
Also called
Chevrolet: C10/K10 C20/K20 C30 C40 to C80 (medium- & heavy-duty models)
GMC: 1000/K1000 1500/K1500 2500 3000 to 6500 (medium- & heavy-duty models) Chevrolet Apache Chevrolet Viking and Chevrolet Spartan
Production
September 19591966
Assembly
Pontiac West Assembly, Pontiac, Michigan Dover, England Seoul, South Korea Oshawa, Ontario Buenos Aires, Argentina
Designer Harley Earl (1957, 1958)[1]
Body and chassis
Related Chevrolet Suburban
Engine 230 in3 (3.8 L) I6, 236 in3 (3.9 L) I6, 250 in3 (4.1 L) I6, 261 in3 (4.3 L) I6, 292 in3 (4.8 L) I6, 305 in3 (5.0 L) V6, 283 in3 (4.6 L) V8, 327 in3 (5.3 L) V8, 350 cu in (5.7 L) V8,351 cu in (5.8 L) V6, 366 cu in (6.0 L) V8 and 402 cu in (6.6 L) V8
Transmission 3-speed manual , 4-speed Muncie SM420 manual , 4-speed Muncie SM465 manual, 4-speed New Process NP435 manual, 2-speed Powerglide automatic, 3-speed THM-350 automatic and 3-speed THM-400 automatic
Dimensions
Wheelbase, 115 in (2,921 mm) (short box) , 127 in (3,226 mm) (long box) , 133 in (3,378 mm) (Longhorn)
Length, 188.5 in (4,788 mm) (short box), 207.75 in (5,277 mm) (long box), 213.75 in (5,429 mm) (Longhorn Fleetside), 217.75 in (5,531 mm) (Longhorn Stepside)

DEFECT #1 - SERVICE BRAKES, HYDRAULIC:POWER ASSIST:VACUUM:HOSES, LINES/PIPING, AND FITTINGS


Posted on: 1979-10-12
Description


Consequence


Corrective Action


Notes
Chevrolet bulletin no 71-c-7.gmc bulletin no 71-c-4 and 71-c -4a.trucks andschool busses with bendix vacuum hydraulic br akes, trucks with vacuum boostedbrakes.possibility that sin gle bendix vacuum hydraulic brake system may haveend cap hexhead fitting assembly which does not make proper contact withendofbooster slave cylinder.this could cause brake fluid toleak from end ofbooster slave cylinder.loss of brake fluidwould result in low brake pedaland cause complete loss of br aking action.(correct by replacing with newimproved nut.)