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Rocker Arm Rattle TSB

3132 Views 7 Replies 5 Participants Last post by  diff
Anyone experienced the rocker arm push rod cap rattle? I think the rattle that I hear at start up at first was dry starts from an oil pressure problem, but now I am not so sure. This is a known problem. Anyone changed their rocker arms to the newer ones? Thanks!!!! 8-0=
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Take a Rocker Cover of and check the die casting i.d. code on the rocker arm, if it's 17,18,19 or 20 they are the old type.
If it's 13A,14A,15A or 16A they are the new type. On 1999 truck i would think they are the new type as the TSB gives a chassis range of WA382672 to WA391018.

Turpin said:
I think the VIN range is WA382672 to YA437311 for Range Rover
Not sure where you found that VIN. Range. I think LP is just the code they used for the P38 i'm sure someone will know the exact meaning.

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