Question about GMC C1500

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My 1993 gmc z71 6.2 l diesel vibrates at 2200 rpm what could the problem be

We have rebuilt the transmission, new clutch new fly wheel and it still vibrates at 2200 rpm

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  • GMC Master
  • 2,002 Answers

This engine had a reputation for beating out the crank. What happens is the casting for the main bearing bolts will crack vertically, allowing the bolt to move slightly. The only way to tell is to remove the bolts and retorque them after you fill the bolt hole with oil. If it is cracked you will see oil being squeezed out.

If it were my truck, I'd slow down a little. High revs will just make it beat itself to death faster, diesel motors like to turn slow, not over 1900 RPM and start looking for a replacement.

Posted on May 12, 2014

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  • Contributor
  • 15 Answers

Clint: Does your drive line have a carrier bearing?

Posted on May 12, 2014

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: GMC Vandura 1983 6.2 litre diesel automatic transmission oil GMC Vandura 1983 6.2 litre diesel automatic

Your dip stick tube is your fill tube for your transmission . Make sure your transmission oil is at opperating temp before servicing some instructions are written on the dip stick , Use a small funnel , Add a little at a time (cup). Use the proper fluid , check regularly

Posted on May 18, 2008

basilfawlty
  • 39 Answers

SOURCE: clutch vibrating

Two reasons for this. Rattling is usually faulty pressure plate which means clutch overhaul. Depending on which Focus some have a rubber mounted flywheel which dies and must be replaced. Either way its gearbox out and check. First check all gearbox and engine mounts, but it sounds more serious.

Posted on Jun 30, 2008

stormbrewin
  • 426 Answers

SOURCE: isuzu trooper problem!with a 00 3 litre diesel engine not starting

Was it lined up right as the trigger point for the sensor is important.Is the fly wheel fitted one position only that the bolt holes line up or will it fit no matter which position it bolts up Line up the flywheel trigger with the sensor after you have put the engine to Top Dead Centre.Put at tdc and see if the trigger and sensor are together.

Posted on Oct 18, 2008

  • 120 Answers

SOURCE: 2002 dodge ram diesel, 6 speed manual transmission

no these are weighted to suit vehicle check out with agent or dealer before doing any thing hope this helps?

Posted on Aug 25, 2009

simontricket
  • 235 Answers

SOURCE: isuzu trooper 3 litre diesell oo year!

Set the engine on #1 tdc and the small half moon cut out  on the flywheel goes at 6 o'clock . The sensor is now set to read the crank angle .
This is for the manual gearbox ,if you got auto its at 12 o'clock.

Posted on Oct 29, 2009

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1 Answer

Why does my car judder on hard acceleration and not when driving normally?


check your clutch and fly wheel and if it is a diesel with a turbo if you have a bit of black smoke look at that aswell most likely the clutch dual mass fly wheel

Oct 14, 2014 | 2004 Audi A4

Tip

How to TEST A TORQUE CONVERTER ON A Automatic Transmission


Symptom : chattering or vibration while idling, and in Park.
Transmission sluggish upon Accelaration..

Step 1: chock Block all your wheels, and put your Auto emergency brake on (applied).

Step 2: You step on your gas pedal with engine in Drive, Full throttle. do not hold your regular brake pedal...Hold gas pedal down for 2 seconds your car will try to move. All wheels must not slip.

Step 3: watch your rpm gauge, your stall should be between 2400-2800 rpm depending on specification of manufacturer..
a low reading isbad stator assembly,
a high reading is a slipping one way clutch..

on Jul 10, 2010 | GMC Blazer Cars & Trucks

1 Answer

Pressure plate torque


I have seen this problem many times, people change clutches but don't machine the fly wheel. this causes a shudder or the other thing is a crack in the fly wheel or pressure plate, sorry but transmission out fly wheel off to be machined, new clutch and pressure plate

Dec 04, 2013 | Cars & Trucks

1 Answer

2003 F350 6L Diesel, 6 speed manual transmission. Vibration/noise right front when under medium to heavy acceleration, vibration/noise becomes very prominent starting at 1900 rpm in all gears (still can...


Rob, assuming this is a 4X4? Sounds like a bearing. They can vibrate, snap, clunk, all kinds of terrible noises or vibrations.
Axle u joints will also do this. Is it all wheel drive?

Nov 02, 2013 | Ford F-350 Cars & Trucks

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My 1995 F350 Powerstroke "Shutters"


VIBRATION - DRIVELINE RESONANCE/VIBRATIONBETWEEN 1400 AND 2000 RPM WITH CONVERTER
Clutch ENGAGED DURING MEDIUM TO HEAVY
THROTTLE CONDITIONS - VEHICLES WITH 7.3L DI
TURBO ENGINE AND TRANSMISSION BUILT PRIOR
TO 11/13/95 (5L13)
^ TRANSMISSION - E40D - DRIVELINERESONANCE/VIBRATION BETWEEN 1400 AND 2000
RPM WITH CONVERTER
Clutch ENGAGED
DURING MEDIUM TO HEAVY THROTTLE
CONDITIONS - VEHICLES WITH 7.3L DI TURBO
ENGINE AND TRANSMISSION BUILT PRIOR TO
11/13/95 (5L13)

FORD:
1995-1996 E-350, F-250 CREW CAB, F-350 CREW CAB
Article 96-26-21 is being republished in its entirety as part of a consolidated 7.3L diagnostic aid booklet.
ISSUE
Some vehicles with transmissions built prior to 11/13/95 (5L13) may exhibit a driveline resonance/vibration between 1400 and 2000 RPM with the torque convertor engaged. This may be caused by the torque converter.
ACTION
Prior to torque converter replacement, refer to the following Service Procedure for details to verify conditions.
SERVICE PROCEDURE
1. Verify the resonance/vibration does not occur in neutral and is most noticeable between 1400 and 2000 RPM with the converter clutch engaged during medium to heavy throttle conditions. Also watch for the vibration to diminish at engine speeds lower than 1400 and higher than 2000 RPM. If the concern meets all of these conditions and the transmission has a built date prior to 11/13/95 (5L13), replace the torque converter. Refer to the appropriate Service Manual for removal and installation procedures.
2. If the vibration concerns do not meet the conditions, check for non-factory installed items that could affect driveline and verify proper installation. Also refer to the appropriate Service Manual, Section 05-00 for diagnosis and testing.
107118085

Aug 22, 2011 | 1995 Ford F250

1 Answer

Relaced transmission and now have a rattle sound comind from torque coverter area,noise gets louder when gas pedal is applied and noise goes away during shifting of transmission btu comes right back after...


your torque converter is rattling that is the clutch on the stator inside is worn out... You can stall test your torque converter ...Do this but follow correctly. put on parking brake..on the asphalt,,,, block all four wheels...push the gas to the floor for just 2 seconds...down one, two lift off gas pedal quickly..
when your doing this WATCH your RPMs they should reach to around 2200-2400 between the 2-4 rpm if not the Torque Converter is toast!!!! If your car passes the STAll test then when you tranny was put back on one of the fly wheel covers are rubbing....!!!.

May 17, 2010 | 2003 Lincoln Navigator

1 Answer

95 gmc sierra k1500 4x4 5spd manual noise


the leak is probably a separate issue from the noise. is the leak very bad? can you tell if it's engine oil or transmission lube/fluid? most likely the rear main bearing seal needs replacing. the noise is most likely the clutch release bearing. you should replace all components of the clutch assembly which include; clutch plate, pressure plate, release bearing and piolot bearing. also have the fly wheel resurfaced. while the trans is out, you can check the rear main seal and the trans input shaft seal and replace accordingly.

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Mar 17, 2009 | 1993 GMC Sierra C2500

2 Answers

Toyota corolla 1.6 1997 vibration after clutch change


Try checking the engine/transmission mounts, one of them may not have been reinstalled properly, or worn out, causing a vibration. If the car is able to move with the new clutch, and it seems to work, I wouldn't say the clutch was put in wrong. Also check the wires around the engine/transmission, you may have knocked something loose as well.
Hope this helps

Dec 16, 2008 | 1997 Toyota Corolla

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