My first thought was worn-out tranny or engine mounts but after describing
the temperature issue I think maybe it's time for you to try some sort of
additive in the tranny fluid. Any repairs to this tranny are likely to be
bloody expensive.

"John" <john@nomorenewspamin.ca> wrote in message
news:8qbnlv8d74k9rqdlvcfh8sffiupp2e3i7f@4ax.com...
> 1988 integra auto shift 90,000miles:
> When the engine is cold, say overnight, when I shift the gear form
> Park to Reverse, there is a very big jerk(in fact the whole car jerk).
> The same thing happens when I shift from D to R and R to D backforth.
>
> But this "sharp jerk" is a lot less serious when the car is warm.