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 MANUALSSAAB1994900 BASE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE MECHANICALMECHANICAL2.0L 4-CYLREMOVAL & INSTALLATIONCYLINDER HEADINSTALLATION
1994 Saab 900 Base, Standard
Cylinder Head: Installation
1994 Saab 900 Base, StandardSECTION Installation
- Install guide pin into one bolt hole. Remove cylinder head. Ensure pivoting timing chain guide is not damaged.
- Lubricate cylinder head bolts and washers before installation. Tighten cylinder head bolts in sequence shown. See Figure. Tighten bolts to an initial torque of 44 ft. lbs. (60 N.m). Then tighten bolts to 59 ft. lbs. (80 N.m). Finally, tighten each bolt an additional 90 degrees.
- Install 2 timing cover-to-cylinder head bolts. Install timing chain and camshaft sprockets, starting with exhaust valve camshaft. Keep chain taut between sprockets. Lightly tighten sprocket bolts.
- Adjust chain tensioner by pressing piston and rotating tensioner into locked position. Install tensioner with piston under tension. Tighten bolt. Release tensioner by pressing pivoting guide firmly. Press pivoting guide against chain to release tension. Press pivoting guide to check tensioner operation.
- Rotate crankshaft 2 complete turns clockwise. Check timing marks on crankshaft and camshafts. To complete installation, reverse removal procedure. Tighten bolts to specification. See TORQUE SPECIFICATIONS .
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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.