park not holding

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Feb 29, 2008 | 05:53 PM

frank29

Thread Starter

Joined: Jan 2008

Posts: 14

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park not holding

i have a1991 fullsize blazer th400automatic trans when shift to parkwill not hold still clicking noise from trans what can i do to repair this?

Mar 1, 2008 | 12:49 AM

Scott

Joined: Feb 2008

Posts: 17

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RE: park not holding

The indicator (not the technical term, I know) slides past P, doesn't it? Is the shifter loose?

Mar 1, 2008 | 04:08 AM

frank29

Thread Starter

Joined: Jan 2008

Posts: 14

RE: park not holding

Quote:

ORIGINAL: frank29

i have a1991 fullsize blazer th400automatic trans when shift to parkwill not hold still clicking noise from trans what can i do to repair this?

my truck will roll foward backward on park clicking noise fromtranny

Mar 1, 2008 | 04:12 AM

frank29

Thread Starter

Joined: Jan 2008

Posts: 14

RE: park not holding

Quote:

ORIGINAL: frank29

Quote:

ORIGINAL: frank29

i have a1991 fullsize blazer th400automatic trans when shift to parkwill not hold still clicking noise from trans what can i do to repair this?

my truck will roll foward backward on park clicking noise fromtranny

no my shifter is not loose checked linkage notloose

Mar 1, 2008 | 10:11 AM

rriddle3

BF Guru

Joined: Dec 2006

Posts: 6,594

From: Fort Worth,Texas

RE: park not holding

Trannies are not my strong suit, but it sounds like the parking pawl in the trans has broken or worn so that it does not hold.

Mar 1, 2008 | 10:25 AM

swartlkk

Administrator

Joined: May 2005

Posts: 41,333

From: Waterloo, NY

RE: park not holding

*Moving to Full Size Tech*

Mar 1, 2008 | 05:42 PM

thegr81

BF Veteran

Joined: Jan 2007

Posts: 2,653

From: PHOENIX,AZ

RE: park not holding

Yes that is what it sounds like the pin or pawl is worn or broke to were when you put it in park it will not hold at all!! Looks like the tranni needs to get serviced for this part!!