[6pack] [TR] Re-installing Front Suspension Springs

[DAVID MASSEY]

 I've found that conventional hardware store all thread (grade 2) will last long enough to change out one set of springs.  Even with lubrication the thread wears and gets galled.  I went one better and bought some 1/2 inch ACME thread rod and nuts from McMaster-Carr.  Of course, ACME thread nuts won't jam since that effect counts on the angle of the thread and ACME has no angle, the threads are square-cut.  So I drilled the nut and rod at one end and I use a locking pin to keep the nut on the bottom in place throughout the operation.
My tool has been used for many removal/installs and is still good as new.  

On the other hand, hardware store threaded rod is available today and will work for one operation and is quick and convenient in acquisition.
 
Dave 


 
 
-----Original Message-----
From: Philip Barnes <pebarnes71 at gmail.com>
To: Rochlin Robert <rrochlin at comcast.net>
Cc: Triumphs <triumphs at autox.team.net>; 6pack at autox.team.net
Sent: Mon, Apr 10, 2023 7:32 pm
Subject: Re: [TR] Re-installing Front Suspension Springs

When removing or installing the front springs, I've had good luck with a length of 1/2" threaded rod and a series of washers, plates, and nuts. Have a look at the tool illustrated in the Haynes or Bentley manuals. The jack method won't work because the spring needs to be under load when installed, more load that the weight of the car.
--Phil Barnes ('71 TR6 since 1977)
On Mon, Apr 10, 2023, 6:03 PM Rochlin Robert <rrochlin at comcast.net> wrote:

        I’m in the last stages of reassembling the front suspension after replacing all the bushings.  I originally did the job about 6 years ago and can’t remember how I reinstalled the springs, but I don’t recall it being particularly difficult.  This time through, I just can’t get the springs back in.  I got a spring compressor loaner from AutoZone and was able to install one spring, but when I went to remove the spring compressor through the bottom of the spring pan it was about 1/8 of an inch too wide to remove, so back to the drawingboard...  I’ve looked at Bentley and Hayes manuals, but their method of putting the spring back is put the spring pan and jack it up into position  doesn’t come close to lining the spring pan to the lower wishbone holes. Any advice appreciated.
        Below are the bushings I removed.  They about 6 to 7 years old with about 20,000 miles and, as you can see, they are toast. The swing arm bushings were worse. I bought them on a recommendation from a TR guy from an outfit in the UK called Polybush.
        Best,
        Bob








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