Ford Ranger Maintaince And Repair Manual page 309

Intake manifold gasket and sealant points. Note that points (1) and (5) are sealed with RTV
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7. Apply a / in. (1.6mm) bead of silicone sealer to the points where the cylinder block rails meet the
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cylinder heads.
8. Position new seals on the cylinder block and new gaskets on the cylinder heads with the gaskets
interlocked with the seal tabs. Make sure the holes in the gaskets are aligned with the holes in the
cylinder heads.
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9. Apply a / in. (1.6mm) bead of sealer to the outer end of each intake manifold seal for the full width
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of the seal. Make sure the silicone sealer will not fall into the engine and possibly block oil passages.
10. Using guide pins to ease installation, carefully lower the intake manifold into position on the cylinder
block and cylinder heads. Also, ensure that the water pump bypass hose is installed at the same time.
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HOW TO USE THIS BOOK
silicone
REMOVAL & INSTALLATION