* Factory Service Manuals (FSMs): These are the most comprehensive manuals, originally intended for professional mechanics. They are often available digitally through online retailers like eBay or specialized automotive parts websites. Searching for "2003 Dodge Grand Caravan FSM" will yield results. Be aware that these can be expensive.
* Chilton's Repair Manuals: Chilton's publishes repair manuals for many vehicle makes and models. They offer a good balance between comprehensiveness and cost, but may not be as detailed as a factory service manual.
* Haynes Repair Manuals: Similar to Chilton's, Haynes also publishes repair manuals. They're known for their straightforward approach and illustrations.
* Online Resources: Websites like Alldatadiy.com (subscription required) offer access to service information, including diagrams and repair procedures.
When searching, be sure to specify the *exact* year (2003) and engine size (e.g., 3.3L, 3.8L) of your Grand Caravan, as this information is crucial for accurate repair information. The different engine options will have variations in their components and repair procedures.