Description
Factory Opel 1900 Workshop Manual (1970–1975)
The Opel 1900 was the North American export-market version of the Opel Ascona A. Sold through Buick dealer networks in the United States and Canada, the Opel 1900 was Opel’s attempt at a serious mass-market presence in North America. This factory manual covers the 1970–1975 US/Canada-market Opel 1900 with the larger 1.9L CIH engine and US-spec emissions equipment.
Powertrain Coverage
| Component | Variants |
|---|---|
| Engine | 1.9L CIH inline-4 petrol, Solex carburettor, US emission control |
| Transmission | 4-speed manual, 3-speed automatic |
| Drive | RWD |
| Body | 2-door coupé, 4-door saloon, estate wagon (Sport Wagon) |
Common Opel 1900 Repairs
| System | Procedures |
|---|---|
| CIH 1.9L | Cam chain, valve adjustment, head gasket, US-spec emissions items |
| Solex Carb | US-spec jet sizing, float, choke, idle circuit |
| Emissions | PCV, EGR, US-market thermal reactor, catalyst (later years) |
| Chassis | Same as Ascona A — live rear axle, RWD driveline |
Format & Delivery
PDF — searchable, printable. Instant download; lifetime re-downloads.
Frequently Asked Questions
Is the Opel 1900 the same as the Ascona A?
Mechanically essentially yes. The Opel 1900 is the North American export-market name for the Ascona A with the 1.9L engine and US-spec emissions equipment. Sold through Buick dealers in the US and Canada.
Are US-spec emissions items covered?
Yes. The PCV, EGR, thermal reactor (early), and catalyst (later years) US-market emissions equipment is documented.
Are parts available?
Mechanical parts — yes, via classic Opel specialists and cross-reference with Ascona A parts. US-spec emissions items are harder to source.
What format is the manual?
PDF, searchable, printable. Instant download.
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