B2300 SE Regular Cab 2WD L4-2.3L VIN D (2001)
4. Using the special tools, remove the valve stem seals.
Installation
1. Install the valve stem seal installation sleeve.
2. Using the special tool, install the valve stem oil seals.
3. NOTE: Check the seating of the valve collets.
Using the special tools, install the valve springs.
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Insert the valve springs and the valve spring retainers.
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Compress the valve springs and install the valve collets using some grease and a small screwdriver.
4. NOTE: Do not tighten the spark plug at this time.