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Intake Manifold Torque ?


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Installation Procedure (skip non applicable steps):

Clean the throttle body O-ring sealing surfaces.

Clean the intake manifold sealing surfaces.

Install the MAP sensor. Refer to MAP Sensor Replacement .

Install the throttle body. Refer to Throttle Body Assembly Replacement .

Install the intake manifold carrier gaskets.

Install the fuel rail. Refer to Fuel Rail Assembly Replacement .


When tightening the intake manifold bolts and studs, start at the center of the manifold and work your way outward in a circular pattern.

Only tighten the intake manifold bolts when the engine and manifold are cool. Do not tighten the intake manifold bolts and studs with the engine at operating temperature.

Install the intake manifold, six bolts and four studs. Tighten

Tighten the bolts and studs to 10 N·m (89 lb in).


Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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