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First Gen Dodge Ram 12 Valve Diesel
89-93 Ram DIY Diesel Maintenance

Visit Geno's Garage
for Truck accessories.
Geno's Garage Truck Accessories
RepairsTroubleshooting, and Modifications

Routine Maintenenace

Maintenence Schedule A - Normal Service Intervals B - Severe Duty Service Intervals
Miles Months Engine Hours Miles Hours
Check oil, drain filter sediment and water

- Every fuel stop -

Oil & Filter Change 6000 6 250 3000 200
Fuel Filter Change          
Fuel Filter Screen Change          
Change coolant          
Inspect water pump weep hole          
Valve Adjustment 24000        
Adjust Brakes          

Repair information

Idle Speed Adjustment  
Thermostat replacement Service manual pages 7-33 and 7-34 from TSB 07-04-94
Thermostat replacement Instructions from TSB 07-07-94
Fan Drive Belt Replacement R&R instructions
Fan and Hub Replacement R&R instructions
Injection Pump Replacement R&R instructions in Recall 605

Troubleshooting the DODGE CUMMINS 5.9L (1989-1993)

No Throttle, weak throttle Plastic throttle rod ends fail, resulting in sloppy throttle or no throttle response.
Troubleshooting and Tips Tips from Wilkinson Diesel.
Troubleshooting and Tips

Diesel Injection Service diesel and  turbocharger trouble charts, hard starting diagnosis, stalling, smoke, etc,

Turbocharger diagnostics from the Star Center News

Modifications

Add a centrifugal oil filter

photos and some detail from John Pavlovic

Install a pyrometer/boost gauge photos and instructions on the Gateway Diesel Owners Association site
Install a pyrometer instructions at TST's web site
Installing Larger Injectors Tips from the mail lists and message boards
DIY Injector Removal tool Build a tool from common hardware
Prelub oil pump review article from Brad Albrecht

 



 

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