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-   -   Rear Hatch won't Latch (https://rennlist.com/forums/928-forum/991519-rear-hatch-wont-latch.html)

auzivision May 22, 2017 02:56 PM

Rear Hatch won't Latch
 
why?

Nothing looks cracked or broken and I have one of those new sleeves I believe Jerry vesion from OCIC. Hatch has been up for months and now I can't slam it hard enough to catch. I'm sure this one has probably been solved before...

What's likely at fault (besides the user)?

AO May 22, 2017 03:16 PM

Often the tongue on the hatch doesn't "catch" the latch. The old fix is to put a couple pennies under the tongue to help the angle and get it to catch the latch. I think all my 928s have washers or pennies under them to get it to engage. Doesn't take much.

davek9 May 22, 2017 03:24 PM

There is a factory shim, I've seen them ;)

You should not need to "slam" it either, if the Receiver surround(that plastic part) is new and not worn out, then the upper may be cracked, or... from slamming it, it could be out of alignment now.

Did it work before storage?
May want to start out by just realigning it from scratch, also sometimes the upper sticks, use the key and turn it back and forth and watch the moving latch.

soontobered84 May 22, 2017 04:57 PM

It could also be that the unlatching motor has stopped at the opening position and hasn't cycled all the way around to the locking position. Use the remote switch by your seat to see if you can "bump" the motor around to the locking position.

worf928 May 23, 2017 07:27 AM

Or, it could be that the latch is worn and you need a new one.

davek9 May 23, 2017 09:31 AM


Originally Posted by soontobered84 (Post 14203167)
It could also be that the unlatching motor has stopped at the opening position and hasn't cycled all the way around to the locking position. Use the remote switch by you seat to see if you can "bump" the motor around to the locking position.

Good call, I've seen that one b4 too.

auzivision May 23, 2017 10:25 AM


Originally Posted by soontobered84 (Post 14203167)
It could also be that the unlatching motor has stopped at the opening position and hasn't cycled all the way around to the locking position. Use the remote switch by you seat to see if you can "bump" the motor around to the locking position.

Winner winner chicken dinner!

The unlatching motor doesn't "cycle" anymore. It advances only when switch is pulled up and stops immediately when the switch is released.

Next question... what controls the servo cycle?

davek9 May 23, 2017 12:34 PM

the 1 amp fuse
you can also cycle it to get it to the correct position by trial and error

auzivision May 23, 2017 12:52 PM

Thanks Dave,

So if fuse #26 (1 amp for hatch release on 87 S4) is blown, the motor still receives power through the switch, but only when engaged? That will be an easy fix.

I used the trial an error method to get it to stay closed for now.

Any of the MI gang going to SITM? If not, see you hell!

soontobered84 May 23, 2017 01:17 PM

I actually thought it was a function of the relay when the motor stopped. Brighter minds will keep us straight, I am sure.

SwayBar May 23, 2017 04:15 PM

This may be what's going on with mine, thanks for the heads up!

JayPoorJay Dec 3, 2018 07:55 PM

Beautiful.... I'll get it.... You all are great!

buccicone Dec 3, 2018 10:55 PM


Originally Posted by davek9 (Post 14205161)
the 1 amp fuse
you can also cycle it to get it to the correct position by trial and error

+1:to_order:

camelman Dec 4, 2018 01:08 AM

Sounds like a different issue, but my latch was loose and not securely catching the tear hatch. I adjusted it and tightened it back down. Works fine now.

jpitman2 Dec 4, 2018 10:37 PM

Would have helped to have the model year up front, as the remote release was not on all years.
jp 83 Euro S AT 57k


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