Question 1

How to replace the right camshaft on Cadillac CTS?

Accepted Answer

The replacement process of the right Camshaft starts with removing the right Camshaft cover and right Camshaft drive sprockets. Use the specified sequence to alternatively loosen the Camshaft bearing cap bolts by a few turns before removing them all together with their bearing caps and recording the code marks found on the caps (L1, L2, L3, etc.). After extracting the camshafts from the Cylinder Head and the Camshaft seals you should clean all bearing and sealing surfaces before conducting an inspection of the camshafts. Check the Camshaft availability before selecting one for installation while verifying that intake stays separate from exhaust by their unique stamps. The bearing surfaces and lobes should be lubricated with gm p/n 1052367 (Canadian P/N 992869) or equivalent before positions are set to 11 o'clock for the exhaust Camshaft pin and 12 o'clock for the intake Camshaft pin to minimize bearing cap installation loads. Then apply a small amount of gm p/n 1052942 (Canadian P/N 10953466) or equivalent on the forward edge of the front bearing caps for sealing. Use the identification marks to install the bearing caps before tightening the bearing cap bolts one by one up to 8 nm (71 inch lbs.) after manual tightening. The Camshaft/front main seal installer (J 35268-A) taps the Camshaft Seal into its correct position while the lip receives engine oil coating before complete and uniform seating. The procedure ends with installation of the right Camshaft drive sprockets and right Camshaft cover.

Question 2

How to Service and Replace a Camshaft on a Cadillac Escalade?

Accepted Answer

Start by elevating the hood to servicing position then remove hood hinge bolts before raising until vertical and tightening the bolts in service position. Once the radiator support is removed, technicians should take out the Timing Chain, Camshaft sprocket, and valve lifters from both cylinder heads. Removing the Camshaft sensor bolt allows access to the sensor but also requires removal of Camshaft retainer bolts before extracting the retainer. All Camshaft journals share uniform dimensions so handle the parts carefully to avoid Camshaft bearing damage. Installation of three m8-1.25 x 100 mm (M8-1.25 x 4.0 inch) bolts into the front bolt holes provides a handle for carefully rotating the Camshaft out of the engine block after which the bolts are removed. Before replacing the Camshaft and its bearings clean them properly and also change the valve lifters when you decide to swap out these parts. Install three m8-1.25 x 100 mm (M8-1.25 x 4.0 inch) bolts into the front bolt holes before carefully placing the Camshaft inside the engine block while using the bolts as a handle. Remove the bolt afterward. Place the retainer plate into its position so that the sealing gasket touches the engine block while maintaining complete cleanliness of the gasket surface. After installation of the retainer and bolts apply torque to a 25 nm (18 ft. Lbs.) setting. Check if the o-ring seal of the Camshaft sensor remains intact. The Camshaft sensor alongside its bolt needs clean engine oil during installation. After application of the oil you must tighten the sensor bolt to 25 nm (18 ft. Lbs.). First install the Timing Chain followed by the Camshaft sprocket and then continue with the valve lifter installation until complete with the radiator support. Fit the hood hinge bolts into their normal position following service bolt removal and complete the installation by tightening them to 25 nm (18 ft. Lbs.).

Question 3

How to replace the left camshaft on Cadillac XLR?

Accepted Answer

The necessary tools to replace the left Camshaft include j 45059 angle meter, j 39946 crankshaft socket - 4.01l and 4.6l and en 46328 Camshaft holding tool. Start the procedure by uninstalling both left intake and exhaust Camshaft actuators then you should slowly turn the Camshaft bearing cap bolts one by one until all valve spring tension is eliminated. Commence by removing the Camshaft bearing caps and then take out the camshafts and Camshaft followers one after the other. The camshafts require cleaning followed by inspection before adding generous amounts of gm p/n 12345001 lubricant or equivalent to the roller pivot pocket and valve slot areas on the Camshaft followers. Set every Camshaft follower in position between valve tips and stationary hydraulic lash adjusters (SHLA) with the rounded end facing shla and flat side facing the valve tip. Appy gm p/n 12345001 lubricant or its equivalent to Camshaft carriers and both Camshaft lobes and Camshaft journals after cleaning with a lint-free cloth. Install the Camshaft into the carriers while the sprocket drive pins point toward the highest rotational position and the lobes remain in a resting position while keeping track of Camshaft identification stamps. Place lubricant gm p/n 12345001 or equivalent onto the bearing caps before following the installation procedure according to specified identification marks. First install the Camshaft bearing cap bolts step by step until each one becomes fully seated before torquing them to 5 nm (44 inch lbs.) and continuing to 30 additional degrees with the j 45059 tool. Installation of the en 46328 over the camshafts must be followed by replacing the left exhaust and intake Camshaft actuators in their proper positions.

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