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Dodge D400

Dodge D400 (1978 - 1981)

The Dodge D400 was a one-and-a-half-ton, four-wheel drive pickup truck. The D400 had strengthened suspension and support systems compared to the D300, but shared the same V8 engines. The D400 was also available with 225 slant-6 and 361 V8 engines. The vehicle was part of Dodge's third generation D-Series of rear-wheel drive pickups. The D400 had three-speed automatic transmission and had options of power assisted brakes and cruise control.

Standard servicing tasks include engine oil and filter changes every six months, yearly inspection of the exhaust system, and CV joint inspection every 18 months. Our Dodge D400 1978-1981 repair manual provides detailed maintenance guidance, with step-by-step instructions and over 600 photo illustrations. 

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Step-by-step maintenance and repairs guides for your vehicle in two formats. Printed manualThe original and best, delivered to your door Online manualA feature-loaded digital edition of the original manual
Maintenance Simple weekly checks and servicing guides to keep you on the road Printed manual Digital manual
One-job Exclusive video and original manual content on popular repairs Printed manual Digital manual
Video collection All our videos and original manual content on 15+ popular tasks Printed manual Digital manual
Servicing Complete, fully illustrated step-by-step guides 200+ jobs 200+ jobs
Fault codes Pinpoint specific problems easily Printed manual Digital manual
Easy search Find the task you are looking for quickly Printed manual Digital manual
Print-at-home Take the sections you need to the workshop Printed manual Digital manual
Wiring Easy-to-read electrical diagrams Printed manual Digital manual
All-color Which can be enlarged in one-click Printed manual Digital manual

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