RAM 3500 Truck 4WD L6-6.7L DSL Turbo VIN A (2007)
11. Compress the valve springs at cylinders. #1 and #6 as follows:
a. Install the valve spring compressor mounting base as shown in.
b. Install the top plate, washer, and nut. Using a suitable wrench tighten the nut (clockwise) to compress the valve springs and remove the collets.
c. Rotate the compressor nut counterclockwise to relieve tension on springs. Remove spring compressor.
d. Remove and replace retainers, springs, and seals as necessary.
e. Do not rotate the engine until the springs and retainers are reinstalled.
f. Install seals, springs and retainers. Install spring compressor, compress valve springs and install the collets.
g. Release the spring tension and remove the compressor. Verify that the collets are seated by tapping on the valve stem with a plastic hammer.
12. Using the crankshaft barring tool (2), rotate the engine until the next crankshaft damper paint mark aligns with the mark you placed on the cover.
In this position, cylinders #2 and #5 can be serviced.
13. Repeat the valve spring compressing procedure previously performed and service the retainers, springs, and seals as necessary.
14. Using the crankshaft barring tool, rotate the engine until the next crankshaft damper paint mark aligns with the mark you placed on the cover. In
this position, cylinders #3 and #4 can be serviced.
15. Repeat the spring compressing procedure previously performed and service the retainers, springs, and seals as necessary.
