TOYOTA PREVIA 91-97 REPAIR MANUAL

3-56 ENGINE AND ENGINE OVERHAUL JANG NOTCH Fig. 197 Standard thread repair insert (left), and spark thread insert I lug Fig. 198 ...

ENGINE AND ENGINE OVERHAUL 3-57 Cylinder Head There are two basic types of cylinder heads used on today's automobiles: the Overh ...

3-58 ENGINE AND ENGINE OVERHAUL CUP TYPE CAMSHAFT FOLLOWERS t See Figures 203, 204 and 205 Most cylinder heads with cup type cam ...

ENGINE AND ENGINE OVERHAUL 3-59 Fig. 206 Example of the shaft mounted rocker arms on some OHC heads Fig. 209 ... then the camsha ...

3-60 ENGINE AND ENGINE OVERHAUL .. Fig. 212 Remove the valve spring and retainer from the head /Under Fig. 213 Remove the valve ...

ENGINE AND ENGINE OVERHAUL 3-61 Fig. 216 Use a micrometer to check the valve stem diameter remove the valve. Valve tips should a ...

3-62 ENGINE AND ENGINE OVERHAUL towards and away from the dial indicator and observe the readings, /lount the dial indicator 90 ...

ENGINE AND ENGINE OVERHAUL 3-63 Lap the valve until a smooth, polished circle is evident on the valve and seat. Remove the tool ...

3-64 ENGINE AND ENGINE OVERHAUL Place the valve spring and retainer over the stem. Position the spring compressor and the OHC t ...

ENGINE AND ENGINE OVERHAUL 3-65 Fig. 223 Place rubber hose over the connecting rod studs to pro- tect the crankshaft and cylinde ...

3-66 ENGINE AND ENGINE OVERHAUL ponents, but just because you don't see a crack does not mean it is ihot there. Some more reliab ...

ENGINE AND ENGINE OVERHAUL 3-67 Fig. 226 Measure the piston's outer diameter, perpendicular to the wrist pin, with a micrometer ...

3-68 ENGINE AND ENGINE (fVERHAUL Fig. 229 Apply a strip of gauging material to the bearing jour- nal, then install and tighten t ...

ENGINE AND ENGINE OVERHAUL 3-69 Fig. 231 A dial gauge may be used to check crankshaft end-play Fig. 232 Carefully pry the cranks ...

Fig. 233 Checking the piston ring-to-ring groove side clearance using the ring and a feeler gauge Fig. 234 The notch on the side ...

ENGINE AND ENGINE OVERHAUL 3-71 Turn the crankshaft until the appropriate bearing journal is at the bottom of its stroke, then ...

3-72 ENGINE AND ENGINE OVERHAUL TORpUE SPECIFICATIONS Components English Specifications Cylinder head-to-camshaft bearing cap! 1 ...

ENGINE AND ENGINE OVERHAUL 3-73 TORQUE SPECIFICATIONS Components English Specifications Cylinder head-to-camshaft bearing cap Cy ...

3-74 ENGINE AND ENGINE Q\L USING White needle - steady A VACUUM GAUGE needle Dark needle = drifting needle The vacuum gauge is o ...

ENGINE AND ENGINE OVERHAUL 3-75 Troubleshooting Engine Mechanical Problems Problem Cause Solution External oil leaks Cylinder he ...