1997 Dodge Ram Van 1500 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1997 Dodge Ram Van 1500

1997 Dodge Ram Van 1500 Problems

The AC/heater (HVAC) system may unexpectedly switch to the defrost mode when accelerating. This system is operated by engine vacuum and should be inspected for any vacuum leaks if this problem develops.  There is also a revised vacuum check valve available to address this concern.

On 3.9L V6 and 5.9L V8 engines, the intake manifold gasket may leak and cause increased oil consumption and a spark knock during acceleration; the gasket should be replaced.

Leak detection pump failure can be caused by the internal diaphragm switch sticking, or in some cases, contamination from debris or carbon particles from vapor canister. If black carbon particles are present in the LDP, replace vapor canister in addition to LDP. The purge solenoid should also be checked for debris or carbon contamination and replaced as necessary. All evap system hoses are subject to cracking and splitting causing leaks, Inspect hoses carefully. In cases of contamination from carbon particles or debris, all hoses and tubes must be blown out with compressed air to remove contaminates.

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1997 Dodge Ram Van 1500 Questions

ALSO WHEN BACKING UP

Air will blow out of defrost vents when climbing hills or accelerating with a/c on.

The buttons on the control panel will turn the I'd on and off but will not change to bilevel or to the floor.

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