Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSJEEP1986WAGONEER BASE, 2.5 H, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCETESTING & DIAGNOSISTURBOCHARGER - DIESELTESTINGTURBOCHARGER WASTEGATE
1986 Jeep Wagoneer Base, 2.5 H, Standard
Turbocharger WASTEGATE
1986 Jeep Wagoneer Base, 2.5 H, StandardSECTION Turbocharger WASTEGATE
- Install a dial indicator on upper portion of wastegate lever arm. Connect Pressure Tester (MS 554-03) and Gauge (Mot. 867) at pressure regulator inlet. See Figure .
- At standing position, zero dial indicator. Using pressure tester, force air into pressure regulator until dial indicator reaches .015" (.38 mm). Pressure reading should be between 10.7-11.6 psi (.75-.82 kg/cm2 ).
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.