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I have unlimited access to All-data and Michell-on-demand through the week and can get a bunch of info including write-ups and how-to's and such on any vehicle and I can post stuff up if anyone needs certain information down to torque specs. Monday I will be posting the timing belt how-to for a couple people... Any thing else you need info on let me know

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Any chance i can get the write up on taking the nose cone off the supercharger and replacing the coupler in there for my 93 Park Ave Ultra?

 

believe it or not, I cant find that info... The most it lets me see is just removal of the whole supercharger...

 

Timing info from All data

Removal

This article has been revised according to the information included in bulletin No: 47-61-34.

 

NOTE: GM does not provide a timing mark diagram for belt installation without using the special tool(s) listed below.

 

CAMSHAFT TIMING - REVISED SERVICE PROCEDURE

 

TOOL REQUIRED:

 

 

J 38613-A Camshaft Timing Clamps

J 38614 Camshaft Sprocket Remover

REMOVE OR DISCONNECT

 

 

Negative battery cable.

Air cleaner assembly.

Drain engine coolant.

Accelerator and cruise control cables from throttle-body.

Fuel rail cover.

Relieve fuel pressure.

Fuel lines from fuel rail and remove fuel mounting bracket.

Heater hose and bracket from lower intake manifold.

PCV valve and vacuum line from throttle body.

Electrical connector from EGR.

EGR valve and reposition.

Electrical connections from canister purge solenoid and MAP sensor.

Vacuum lines from upper intake manifold tee.

Wiring loom bracket for rear spark plug wires.

Power brake vacuum hose and remove upper intake manifold.

Coolant recovery tank.

Serpentine belt.

Serpentine belt tensioner.

Power steering lines from pump and reposition for pump removal.

Reposition PCM (1991-93 ONLY).

PCM mounting bracket (1991-93 ONLY).

PCM electrical connectors and reposition (1994-95 ONLY).

Spark plug wires from spark plugs.

Wiring harness cover at right strut tower.

Fuel line bracket.

Timing belt covers.

Breather hose from rear camshaft cover and crankcase vent from breather manifold.

Camshaft carrier covers.

Side plate bolts from actuator.

Rotate actuator assembly from the tensioner pulley socket and out of the mounting base.

Timing belt tensioner pulley.

 

 

 

 

 

 

 

 

Position actuator in vertical position in vise (rod tip down), clamp actuator body in vise lightly. (Figure 1) IMPORTANT:

Allow oil to drain to boot end for at least 5 minutes prior to refilling.

The actuator assembly uses a tapered bushing between the actuator and mounting base. Do not lose or damage the bushing when removing the actuator assembly.

Straighten out a standard paper clip (0.032 inch diameter, no serrations) to a minimum straight length of 47 mm (1.85 inches). Form a double loop in the remaining end of the paper clip.

Rubber end plug from the rear of the actuator assembly. The assembly is filled with oil and removal of the plug may allow oil to escape. DO NOT REMOVE VENT LUG.

Push the paper clip through the center of the vent plug and into the pilot hole.

Insert a small screwdriver into the screw slot inside the actuator, behind the rubber end plug.

Retract actuator plunger by rotating screw in a clockwise direction, until it is fully retracted. Push on paper clip and slowly rotate screw counterclockwise until paper clip engages.

Timing belt. IMPORTANT: Remove timing marks from camshaft and intermediate shaft sprockets.

Rotate crankshaft so the # 1 cylinder is at TDC (top dead center). Mark the timing indicator with white paint (or equivalent) on the crankshaft balancer and front cover.

Position camshafts so the flat spots are "up" for installation of J 38613-A.

Install J 38613-A on both camshaft carriers.

 

 

 

 

 

(Figure 2) Camshaft Timing Sprocket

 

 

 

 

 

 

 

 

Camshaft sprockets (Figure 2).

1991-93 Remove bolts, washers, and sprockets using J 38614.

1994-95 Remove bolts, taper lock rings, and sprockets by lightly tapping on it with a soft faced hammer.

NOTE: GM does not provide a timing mark diagram for belt installation without using the special tool(s) listed below.

 

This article has been revised according to the information included in bulletin No: 47-61-34.

 

CAMSHAFT TIMING - REVISED SERVICE PROCEDURE

 

INSTALL OR CONNECT

 

 

Camshaft sprockets.

1991-93 camshaft sprockets with washers and new locks finger tight

1994-95 camshaft sprockets with taper lock rings finger tight

Timing belt in a counterclockwise direction around the sprockets. IMPORTANT: Make sure timing belt teeth are fully engaged with all sprockets.

Timing belt tensioner pulley. Tighten: Tensioner pulley bolt to 50 Nm (37 lb ft).

If actuator oil has been lost, till the actuator with SAE 5W30 Mobile 1 (or equivalent) synthetic engine oil through the end hole. Fill to bottom of plug hole ONLY when actuator is fully retracted and pin is installed.

Rubber end plug to rear of the actuator assembly. Push until flush and snapped into place. Make sure the end plug has sealed against the case.

Actuator bushing into side plate. Inspect: Bushings and appropriate holes to make sure they are clean. DO NOT lubricate.

Timing belt actuator and actuator side plate. Tighten: Side plate bolt to 27 Nm (20 lb ft). IMPORTANT: Rotate pulley assembly into belt a maximum of 15 Nm to allow engagement of the actuator shaft into the pulley arm socket.

Pull the lock pin and discard. Retorque pulley assembly 15 Nm counterclockwise to seat pulley into belt. Tighten: Both right hand (rear bank) camshaft sprocket bolts to 130 Nm (96 lb ft).

Remove J 38613-A from right hand (rear bank) camshaft carrier.

Rotate crankshaft 360 degrees clockwise while looking at front of engine and align crankshaft reference marks. Inspect: Make sure both right hand (rear bank) camshaft flats are down. Tighten: Both left hand (front bank) camshaft sprocket bolts to 130 Nm (96 lb ft).

Remove J 38613-A from left hand (front bank) camshaft carrier.

Rotate crankshaft 720 degrees clockwise while looking at front of engine to seat timing belt and verify correct timing. Inspect: Make sure both camshaft flat-spots are up on one bank and down on the opposing bank.

Camshaft carrier covers and bolts. Tighten: Bolts to 11 Nm (97 lb in).

Breather hose from rear camshaft cover and crankcase vent from breather manifold.

Timing belt covers and bolts. Tighten: Bolts to 10 Nm (89 lb in).

Fuel line bracket and bolt. Tighten: Bolt to 7 Nm (62 lb In).

Wiring harness cover at right strut tower.

Spark plug wires.

PCM electrical connectors.

Power steering lines to pump.

Serpentine belt.

Serpentine belt tensioner. Tighten: Serpentine belt tensioner bolt to 45 Nm (33 lb ft).

Coolant recovery tank.

Upper intake manifold, bolts, and nuts. Tighten: Bolts and nuts to 27 Nm (22 lb ft).

Power brake vacuum hose.

Wiring loom bracket for rear spark plug wires.

Vacuum lines to upper intake manifold tee.

Electrical connections to canister purge solenoid and MAP sensor.

EGR valve and bolts. Tighten: Bolts to 25 Nm (18 lb ft).

Electrical connectors from EGR.

PCV valve and vacuum line to throttle body.

Heater hose and bracket to lower intake manifold.

Fuel mounting bracket and bolt.

Fuel lines to fuel rail.

Fuel rail cover.

Accelerator and cruise control cables to throttle-body.

Air cleaner assembly.

Refill cooling system.

Refill power steering system.

Negative battery cable.

 

I will have to get the pictures uploaded later tonight, I have them saved on my thumbdrive. Hope that helps

 

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I have the timing belt procedure for a 97 cutlass supreme because its different than the one for the 91 GP (the one I posted before). Once again pics up tonight.

 

Installation

NOTE: GM does not provide a timing mark diagram for belt installation without using the special tool(s) listed below.

 

TOOL REQUIRED

J 38613-A Camshaft Timing Clamps

 

 

 

Install the camshaft sprockets finger tight.

NOTE: Check to make, sure that the timing belt teeth are fully engaged with the camshaft sprockets.

97timingbeltafter1.gif

 

Install the timing belt. Do this by routing the timing belt in a counterclockwise motion around the camshaft sprockets.

97timingbeltafter2.gif

 

Install the timing belt tensioner actuator pulley. Tighten the tensioner actuator pulley bolt/screw to 50 Nm (37 ft. lbs.) .

If any tensioner oil has been lost, refill the tensioner actuator with a SAE 5W30 Mobile 1 synthetic engine oil, or equivalent, through the end hole.

Fill the tensioner actuator to the bottom of the plug hole only when the tensioner actuator is fully retracted and the pin is installed.

Install the rubber end plug at the rear of the tensioner actuator. Push the rubber end plug until the plug is flush and snapped into place.

Check to make sure that the rubber end plug has sealed against the tensioner actuator case.

NOTE: Check to make sure that the tapered fulcrum of the tensioner actuator is properly seated in the bracket bushing. Rotate the tensioner pulley into the timing belt a maximum of 15 Nm (11 ft. lbs.) in order to allow the engagement of the actuator shaft into the pulley arm socket.

97timingbeltafter7.gif

 

Install the timing belt tensioner actuator bushing into the side plate.

Inspect the tensioner bushings and the appropriate holes for dirt or any foreign material. Do not lubricate the tensioner bushings or the holes.

Install the tensioner actuator.

Install the tensioner actuator side plate. Tighten the tensioner actuator side plate bolts to 25 Nm (18 ft. lbs.) .

Pull the lock pin. Discard the pin.

Retighten the tensioner pulley 15 Nm (11 ft. lbs.) counterclockwise in order to seat the pulley into the timing belt.

Install both of the right hand (rear bank) camshaft sprockets. Tighten the camshaft sprocket bolts to 130 Nm (96 ft. lbs.) .

Remove the Camshaft Timing Clamps from the right-side (rear bank) side of the camshaft carrier.

Rotate the crankshaft 360 degrees clockwise while looking at the front of the engine. Align the crankshaft reference marks.

Check to make sure that both of the right-hang (rear bank) camshaft flats are down.

97timingbeltafter17.gif

 

Install both of the left-hand (front bank) camshaft sprockets. Tighten the left hand camshaft sprockets to 130 Nm (96 ft. lbs.) .

Remove the Camshaft Timing Clamps from the left-hand (front bank)

Rotate the crankshaft 720 degrees clockwise while looking at the front of the engine. Do this in order to seat the timing belt and verify the correct timing.

Check to ensure that both of the camshaft flat spots are up on one bank and down on the opposing bank.

Install the left side camshaft carrier cover.

Install the right side camshaft carrier cover.

Connect the breather hose to the rear camshaft cover.

Connect the crankshaft vent to the breather manifold.

Install the center timing belt cover.

Install the left upper timing belt cover.

Install the right upper timing belt cover.

Install the fuel line bracket and the fuel fine bracket bolt.

Install the wiring harness cover at the right strut tower.

Install the spark plug wires. See Powertrain Management.

Install the PCM electrical connectors. See Powertrain Management.

Connect the power steering lines to the power steering pump. See Steering and Suspension.

Install the accessory drive belt.

Install the accessory drive belt tensioner.

Install the coolant recovery reservoir. See Cooling System.

Install the upper intake manifold gasket.

Install the upper intake manifold.

Install the upper intake manifold support bracket nuts.

Install the power brake vacuum hose. See Brakes and Traction Control.

Install the wiring loom bracket for the rear spark plug wires.

Connect the vacuum lines to the upper intake manifold tee.

Install the canister purge solenoid electrical connector.

Install the MAP sensor electrical connector.

Install the EGR valve at the upper intake. See Powertrain Management.

Install the EGR valve electrical connector.

Connect the PCV valve and the vacuum line to the throttle body.

install the heater hose and the bracket to the lower intake manifold. See Heating and Air Conditioning.

Install the fuel line bracket and bolt.

Connect the fuel pipes to the fuel rail. See Powertrain Management.

Install the fuel injector sight shield. See Powertrain Management.

Connect the control cables at the throttle body. See Powertrain Management.

Install the air cleaner duct. See Powertrain Management.

Refill the coolant. See Cooling System.

Refill the power steering fluid. See Steering and Suspension.

Connect the negative battery cable. 

 

Removal

TOOL REQUIRED

J 38613-A Camshaft Timing Clamps

J 38614 Camshaft Sprocket Holding Tool

J 36660 Torque Angle Meter

 

 

 

Disconnect the negative: battery cable.

Remove the air cleaner duct. See Powertrain Management.

Drain the coolant. See Cooling System.

Disconnect the control cables at the throttle body. See Powertrain Management.

Remove the fuel injector sight shield. See Powertrain Management.

Relieve the fuel pressure. See Powertrain Management.

Disconnect the fuel lines from the fuel rail. See Powertrain Management.

Remove the fuel mounting bracket.

Remove the heater hose and the bracket at the lower intake manifold. See Heating and Air Conditioning.

Remove the PCV valve and the vacuum line from the throttle body.

Disconnect the EGR valve electrical connector.

Remove the EGR valve and the EGR bolts at the upper intake. Set the EGR valve aside. See Powertrain Management.

Disconnect the canister purge solenoid electrical connector.

Disconnect the MAP sensor electrical connector.

Disconnect the vacuum lines from the upper intake manifold tee.

Remove the wiring loom bracket for the rear bank spark plug wires.

Disconnect the power brake vacuum hose. See Brakes and Traction Control.

Remove the nuts at the upper intake manifold support bracket.

Remove the upper intake manifold.

Remove the coolant recovery reservoir. See Cooling System.

Remove the drive belt.

Remove the drive belt tensioner.

Remove the power steering pump. See Steering and Suspension.

Disconnect the PCM electrical connectors.

Disconnect the spark plug wires from the spark plugs. See Powertrain Management.

Remove the wiring harness cover at the right strut tower.

Remove the fuel line bracket.

Remove the left upper timing belt cover.

Remove the right upper timing belt cover.

Remove the center timing belt cover.

Disconnect the: breather hose from the rear camshaft cover.

Disconnect the crankshaft vent from the breather manifold.

Remove the left side camshaft carrier cover.

Remove the right side camshaft carrier cover.

timingbeltremoveafter34.gif

 

Remove the bolts-and the side plate from the timing belt tensioner actuator.

Rotate the drive belt tensioner actuator from the tensioner actuator pulley socket and out of the mounting base.

timingbeltremoveafter36.gif

 

Remove the timing belt tensioner actuator pulley.

CAUTION: Do not install the rod tip or the tensioner actuator boot in the jaws of a vise or damage to the assembly may occur.

 

Position the timing belt tensioner actuator in a vertical position within a vise (rod tip down).

Lightly clamp the tensioner actuator in a vise.

Drain the oil in the tensioner actuator to the boot end for at least 5 minutes before refilling the actuator.

CAUTION: Do not lose or damage the tapered bushing between the tensioner actuator and the mounting base while removing the tensioner actuator.

timingbeltremoveafter40.gif

 

Straighten out a standard paper clip (0.032 in diameter with no serrations) to a minimum straight length of 47 mm (1.85 inches) .

Form a double loop in the remaining end of the paper clip.

Remove the rubber end plug from the rear of the tensioner actuator. Do not remove the vent plug.

Push the paper clip through the center hole in the vent plug and into the pilot hole.

Insert a small screwdriver into the screw slot inside the tensioner actuator and behind the rubber end plug.

Retract the tensioner actuator plunger by rotating the screw in a clockwise direction until it is fully retracted.

Push on the paper clip and slowly rotate the screw in a counterclockwise motion until the paper clip engages.

timingbeltremoveafter47.gif

Remove the timing belt.

NOTE: Remove the timing marks from the camshaft and the intermediate shaft sprockets.

 

Rotate the crankshaft so the number one cylinder is at TDC (top dead center).

Mark the timing indicator with white paint (or equivalent) on the crankshaft balancer and front cover.

Position the camshaft so that the flat spots are "up" for the installation of the Camshaft Timing Clamps.

CAUTION: Ensure that the bolt hole is free of any debris before installing the Camshaft Timing Clamps or the camshaft carrier may be damaged.

 

Install the Camshaft Timing Clamps on both camshaft carriers.

Remove the camshaft sprocket bolts and taper lock rings.

Remove the camshaft sprockets by lightly tapping on them with a soft faced hammer.

 

Enjoy, Is the 94-95 different?

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believe it or not, I cant find that info... The most it lets me see is just removal of the whole supercharger...

 

 

Coupler replacement isn't going to be listed anyways. You'll have to find a write-up on it at ClubGP, a bonne forum, etc....GM replaces superchargers completely, so there's no need to list any repair information for them in their manuals or aftermarket ones.

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  • 6 months later...

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