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 MANUALSFORD1990RANGER 4WD L4-140 2.3L SOHCREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSENGINECAMSHAFT, ENGINE
1990 Ford Ranger 4WD L4-140 2.3L SOHC
Camshaft, Engine
1990 Ford Ranger 4WD L4-140 2.3L SOHCSECTION Camshaft, Engine
Intake Lobe Lift 0.2351 inch
Exhaust Lobe Lift 0.2381 inch
Theoretical Intake Valve Lift @ Zero Lash 0.390 inch
Theoretical Exhaust Valve Lift @ Zero Lash 0.390 inch
Camshaft Endplay 0.001-0.007 inch
Camshaft Endplay Service Limit 0.003 inch
Camshaft Journal-to-Bearing Clearance 0.001-0.003 inch
Camshaft Journal-to-Bearing Clearance Service Limit 0.006 inch
#1 Camshaft Journal Diameter 1.7713-1.7720 inch
#2 Camshaft Journal Diameter 1.7713-1.7720 inch
#3 Camshaft Journal Diameter 1.7713-1.7720 inch
#4 Camshaft Journal Diameter 1.7713-1.7720 inch
Runout Limit 0.005 inch (Max) T.I.R.
Out-of-Round Limit 0.005 inch T.I.R. (Max)
RENDER: 1.0x
NO RELATED
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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.