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Path: utzoo!watmath!clyde!burl!ulysses!mhuxr!mhuxn!ihnp4!qantel!lll-crg!gymble!umcp-cs!aplcen!jhunix!ins_aeas
From: ins_aeas@jhunix.UUCP (Earle A .Sugar)
Newsgroups: net.auto.tech
Subject: Re: harsh transmission engagement
Message-ID: <1336@jhunix.UUCP>
Date: Tue, 3-Dec-85 09:43:44 EST
Article-I.D.: jhunix.1336
Posted: Tue Dec  3 09:43:44 1985
Date-Received: Sat, 7-Dec-85 04:40:09 EST
References: <148400001@uiucdcsb>
Organization: The Johns Hopkins University
Lines: 28

> 
>   The automatic transmission of my '77 Plymouth Volare is producing a 
> heavy thump when shifted from Neutral to either Reverse or Drive.
> The harshness of the transmission engagement is roughly proportional to
> the idling speed. The thump can jolt the car at cold idle speed (1400 rpm),
> but is tolerable at hot idle (700 rpm). The level and quality of the 
> transmission fluid has been checked out fine, the idle speeds are 
> also alright.  Other than the stated problem the trasmission works fine
> (no delay, no slippage). I would appreciate any pointer
> to the probable cause of the problem. Thanks.
> 
> 
> Kaihu Chen
> {ihnp4,vonvex,pur-ee}!uiucdcs!chen

The problem may be elsewhere in the driveline.  Worn U-joints on your driveshaft, 
a worn differential, etc. may cause a clunk when the transmission is engaged 
from neutral or park into drive or reverse.  
-- 
______________________________________________________________________________

Earle A. Sugar
Disclaimer:"I doubt anyone else here agrees with me."
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