Removal (Prizm)
- Remove timing belt and camshaft sprocket. See TIMING BELT under REMOVAL & INSTALLATION. Using dial indicator, check camshaft end play before removing camshaft.
- If end play is greater than specification, replace camshaft or cylinder head. See CAMSHAFT table under ENGINE SPECIFICATIONS at end of article.
- To remove intake camshaft, rotate camshaft so service bolt hole on intake camshaft is at 12 o'clock position. See Fig 1 . Install bolt in service bolt hole. See Fig 2 .
- Note location and direction of camshaft bearing caps. Alternately loosen and remove No. 1 camshaft bearing cap bolts on exhaust and intake camshafts. Remove both No. 1 camshaft bearing caps.CAUTION: Remove No. 1 camshaft bearing cap bolts on exhaust and intake camshafts before removing remaining camshaft bearing caps. This releases the torsional spring force of the sub-gear.NOTE: Camshaft bearing caps are marked either with an "I" for intake camshaft or an "E" for exhaust camshaft. Camshaft bearing caps are numbered starting with No. 1 at timing belt end of cylinder head. Ensure arrow on bearing cap points toward timing belt end of engine.
- Remove remaining intake camshaft bearing cap bolts evenly in sequence. See Fig 3 . Remove camshaft bearing caps and remove camshaft. Hold camshaft level to remove from cylinder head.
- To remove exhaust camshaft, rotate camshaft so knock pin is positioned properly as shown. See Fig 4
. Note location and direction of camshaft bearing caps.NOTE: Camshaft bearing caps are marked either with an "I" for intake camshaft or an "E" for exhaust camshaft. Camshaft bearing caps are numbered starting with No. 1 at timing belt end of cylinder head. Ensure arrow on bearing cap points toward timing belt end of engine.
- Remove remaining exhaust camshaft bearing caps evenly in sequence. See Fig 3 . Remove camshaft bearing caps, camshaft and oil seal. If camshaft cannot be levelly lifted straight from cylinder head, retighten No. 3 camshaft bearing cap. Loosen bolts evenly while lifting camshaft.