Haynes Guide Maintenance Schedule</title<link href="/diplomat.css" rel="stylesheet" type="text/css"> </head> <body><div id="content"> <table border="0" cellpadding="5" bgcolor="#99CCFF" align="center"> <tr class="menus"> <th><a href="/index.html">Home</a></th> <th><a href="/farley/index.html">Farley</a></th> <th><a href="/info/index.html">Diplomat Info</a></th> <th><a href="/registry/index.html">Registry</a></th> <th><a href="/upgrade/index.html">Diplomat Upgrades</a></th> <th><a href="/photo/index.html">Photos</a></th> <th><a href="/links.html">Links</a></th> <th><a href="/guestbook/index.html">Guest Book</a></th> <th><a href="/tools/index.html">Site Tools</a></th> <th><a href="/svcman/index.html">Service Manual</a></th> <th><a href="/forum2/">Forums</a></th> </tr> </table> <p> </p> <p align="center"><img src="/graphic/site/diplomat-cars.jpg" alt="Dodge Diplomat cars banner" width="792" height="77"></p> <table width="100%" border="0" cellpadding="5" bgcolor="black"> <tr><th> <p 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alt="smallhood.gif (1323 bytes)" width="30" height="45"></font></td> <td width="90%"><font face="Arial"><font color="#999999" size="1">www.dippy.org</font><br><strong><font color="#FFFFFF" size="3">Haynes Guide Maintenance Schedule</font></strong></font></td> </tr> </table> </td> </tr> </table></td> </table> </td></tr></table> </td><td valign="top" width="24"></td><td valign="top"> <p><font size="2"> </font></p> <p><font size="2"><b>This schedule is from the Haynes guide to Rear Wheel Drive Mopars 1971-1989.</b></font></p> <p><font size="2">This maintenance schedule applies to all Chrysler Corporation cars with straight six and V8 engines.</font></p> <p><font size="2"><strong>Every 250 miles / weekly:</strong><br> Check engine oil level<br> Check engine coolant level<br> Check windshield washer fluid level<br> Check brake fluid level<br> Check clutch fluid level<br> Inspect tires, check tire pressure</font></p> <strong> <p><font size="2">Every 3000 miles / 3 months:</font></strong><font size="2"><br> All items listed above<br> Check automatic transmission fluid level<br> Check power steering fluid level<br> Inspect engine oil and filter<br> Check and service battery<br> Inspect Cooling system<br> Inspect (replace if necessary) all under hood hoses<br> Inspect (replace if necessary) windshield wiper blades<br> Inspect suspension and steering components<br> Inspect exhaust system<br> Check clutch pedal free play<br> Check manual transmission lubricant level<br> Check differential lubricant level</font></p> <strong> <p><font size="2">Every 7500 miles / 6 months:</font></strong><font size="2"><br> All items listed above<br> Rotate tires<br> Check brakes <a href="#note1"><strong>*</strong></a><br> Inspect fuel system<br> Check carburetor mounting bolt/nut torque<br> Check throttle linkage<br> Check engine drive belts<br> Check seat belts<br> Check neutral start switch</font></p> <strong> <p><font size="2">Every 15000 miles / 12 months:</font></strong><font size="2"><br> All items listed above<br> Lubricate chassis components <a href="#note1"><strong>*</strong></a><br> Inspect (replace if necessary) ignition points<br> Inspect (adjust if necessary) valve clearances</font></p> <strong> <p><font size="2">Every 30000 miles / 24 months:</font></strong><font size="2"><br> All items listed above<br> Replace air filter<br> Change automatic transmission fluid and filter<br> Adjust automatic transmission bands <a href="#note2"><strong>**</strong></a><br> Change manual transmission lubricant<br> Change differential lubricant<br> Check and repack front wheel bearings <a href="#note1"><strong>*</strong></a><br> Drain, flush, refill cooling system<br> Check Positive Crankcase Ventilation (PCV) system<br> Check evaporative emissions control system<br> Check Exhaust Gas Recirculation (EGR) system<br> Check thermostatically-controlled air cleaner<br> Check crankcase inlet filter<br> Replace fuel filter<br> Check (clean if necessary) exhaust manifold heat control valve<br> Clean carburetor choke shaft<br> Replace spark plugs<br> Inspect (replace if necessary) spark plug wires, distributor cap and rotor.<br> Check (adjust if necessary) idle speed<br> Check (adjust if necessary) ignition timing</font></p> <strong> <p><font size="2">52500 miles / 36 months:</font></strong><font size="2"><br> Replace oxygen sensor - (Electronic Fuel Control system equipped models)</font></p> <strong> <p><font size="2">NOTES:</font></strong><font size="2"><br> <strong><a name="note1">*</a></strong> This item is affected by "severe" operating conditions, as described below. If the vehicle is operated under sever conditions, perform all maintenance indicated with the ( <strong>*</strong> ) at 3000 mile / 3 month intervals. Severe conditions exist if you operate the vehicle . . .<br> <em>in dusty areas</em><br> <em>towing a trailer</em><br> <em>idling for extended periods and/or driving at low speeds when outside temperatures remain below freezing and most trips are less than four miles long.</em></font></p> <p><font size="2"><a name="note2"><strong>**</strong></a> If operated under one or more of the following conditions, change the automatic transmission fluid and adjust the bands every 15,000 miles . . .<br> <em>in heavy city traffic where the outside temperature regularly reaches 90�F or higher</em><br> <em>in hilly or mountainous terrain</em><br> <em>frequent trailer pulling</em></font></p> <p><font size="2"> </font></td><td valign="top" width="24"></td><td valign="top" width="1%"> <table border="0" cellpadding="0" cellspacing="0" width="100%"><tr><td> </td> </tr> <tr> <td width="250"><table border="1" cellspacing="1" width="100%" bgcolor="#52ABD6"> <tr> <td width="25%" bgcolor="#000000"> <p align="center"><font size="2"><a href="../index.html"><b>HOME</b></a><br> <nobr><a href="dipmschm.html">Back</a></nobr><br><a href="../tools/whatsnew.html">New</a><br> <a href="../tools/sitemap.html">Map</a></font></td> <td width="75" bgcolor="#000000"><font size="2"><nobr><a href="dipmsch.html">Up</a></nobr><br><nobr><a href="dipmscho.html">Owner's Manual Maintenance Schedule</a></nobr><br><nobr><a href="dipmschm.html">Service Manual Maintenance Schedule</a></nobr><br><nobr>Haynes Guide Maintenance Schedule</nobr> </font></td> </tr> </table></td> <td width="375"> <p align="center"><img src="/graphic/site/bigdip_small.jpg" alt="Dodge Diplomat" width="100" height="26"><br><a href="/i/terms.php">See the terms of service.</a> • Copyright © 1997- 2006 Frank Billington IV • © 2011 Allpar, LLC unless otherwise noted. <br>Chrysler likenesses, nameplates, and brands are property of Chrysler Group. • Dodge Diplomat cars</font></p> </div> <script type="text/javascript"> var _gaq = _gaq || []; _gaq.push(['_setAccount', 'UA-161923-14']); _gaq.push(['_trackPageview']); _gaq.push(['_trackSpeed']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 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