10-26-2005, 12:46 PM
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#1
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AF Newbie
Join Date: Sep 2005
Location: claremore, Oklahoma
Posts: 13
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Whining noise between motor & firewall
There is a whining noise between the motor and firewall on the drivers side below the break booster it almost sounds like a pwr steering pump noise but not that side of the engine. I am very confused on what this could be?????? Could this possibly be the torqe converter??? I had it rebuilt 2 years ago.
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10-26-2005, 01:48 PM
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#2
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parts monkey slayer
Join Date: Aug 2004
Location: Flint, Michigan
Posts: 9,433
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Re: Whining noise between motor & firewall
when does the car make the noise, going straight, while turning, all the time while running. etc.....?
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10-26-2005, 02:11 PM
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#3
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AF Newbie
Join Date: Sep 2005
Location: claremore, Oklahoma
Posts: 13
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Re: Whining noise between motor & firewall
It does it all the time of course it gets louder when the RPMs go up
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10-26-2005, 02:32 PM
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#4
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AF Moderator
Join Date: Jan 2005
Location: El Paso, Texas
Posts: 16,614
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Re: Whining noise between motor & firewall
The torque convertor is located more towards the rear - center of the engine where the tranny mates up. The tranny pump and valve body is located in the area mentioned.
Normally, when you get a whining sound out of a 4T65E tranny it's due to high line pressure. Almost any DTC error code engine or tranny related can set and force the PCM to command high line pressure.
Did you have the whining sound before you had the other problems?
Thrasher CAI, DHP v1.0 PCM, SLP Headers,
3.25 SC pulley, CAIT GMAF, 2.5 DP/Hi-Flow CAT,
u-bend delete, 160 TS, ZZP Stage 1 72mm TB,
TB spacer, MSD 8.5mm wires, Autolite 103,
Goodyear Gatorback Serp. & SC Belt,
Nitto NT555R Drag Radials
1/4 ET: 13.210 sec. @ 104.490 mph
0 - 60 ft: 1.945 sec.
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10-26-2005, 03:02 PM
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#5
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parts monkey slayer
Join Date: Aug 2004
Location: Flint, Michigan
Posts: 9,433
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Re: Whining noise between motor & firewall
Sounds like tranny problems to me, either a front pump or torque converter going bad.
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10-26-2005, 03:13 PM
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#6
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AF Moderator
Join Date: Jan 2005
Location: El Paso, Texas
Posts: 16,614
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Re: Re: Whining noise between motor & firewall
Quote:
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Originally Posted by richtazz
Sounds like tranny problems to me, either a front pump or torque converter going bad.
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Oh yes...definitely. His other symptoms is it is slipping badly and a possible BTSI (shiftlock) problem or range-gear selector switch problem.
Maybe he should take it to a tranny shop and have it scanned for tranny specific DTC error codes before it breaks down totally.
Thrasher CAI, DHP v1.0 PCM, SLP Headers,
3.25 SC pulley, CAIT GMAF, 2.5 DP/Hi-Flow CAT,
u-bend delete, 160 TS, ZZP Stage 1 72mm TB,
TB spacer, MSD 8.5mm wires, Autolite 103,
Goodyear Gatorback Serp. & SC Belt,
Nitto NT555R Drag Radials
1/4 ET: 13.210 sec. @ 104.490 mph
0 - 60 ft: 1.945 sec.
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