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1990 chevy blazer 4x4 full size,,would like a exploded view diagram of front end assembly and axle/differential assembly..Vehcle is apart and puuting back together,, wanted to make sure all components are there

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Hi! Here you go!! hope this helps you!1990 chevy blazer 4x4 full size,,would like a - ae5521f.gif

Posted on Sep 12, 2009

Testimonial: "thanks for the diagram.. very helpful in replacing my front hub assemblies..."

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Posted on Jan 02, 2017

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How do you pull a 1979 gmc jimmy 4x4 rear right axle


QU40221 19 Spline Outer Axle Shaft for 1977 to 1991 Chevy, GMC Corporate GM 10 Bolt Front Axle is a genuine original equipment outer axle stub shaft for all GM 10 Bolt front axles in 1977 to 1991 Chevy Blazers, GMC Jimmys, and Suburbans, plus Chevy, GMC 4x4 1/2 ton and 3/4 ton Pickups. The splined end on these new axle shafts has three snap ring grooves in three places so they are compatible with all types of automatic and manual lockout hubs plus all full-time solid splined drive gears.

Also available while supplies last: QU40221U Used Outer Axle Shaft with 3 snap ring grooves and QU40660UUsed Inner Axle Shafts with 2 snap ring grooves (QU40660U is not compatible with automatic locking hubs)



see this vdio

Apr 01, 2015 | GMC Jimmy Cars & Trucks

1 Answer

2003 gmc envoy 4x4 problems. 4200 vortec engine. my front diff doesnt seem to be


The Selectable Four Wheel Drive (S4WD) Front Axle consist of the following components:
• Differential Carrier Housing
• Differential Case Assembly
• Inner Axle Shaft
• Intermediate Shaft Bearing Assembly (located on the right side of the oil pan)
• Electric Motor Actuator
The front axle on Selectable Four Wheel Drive (S4WD) model vehicles uses a disconnect feature mounted on the right side of the oil pan in order to engage and disengage the front axle. When the driver engages the 4WD system, the Transfer Case Control Module sends a signal to the electric motor actuator to energize and extend the plunger inside. The extended plunger moves the clutch fork and clutch fork sleeve across from the clutch fork outer gear that is splined to the right side wheel drive shaft to the clutch fork inner gear that is splined to the inner axle shaft. The locking of the two gears allows the axle to operate in the same manner as a semi-floating rear axle. A propeller shaft connects the transfer case to the front axle. The differential carrier assembly uses a conventional ring and pinion gear set to transmit the driving force of the engine to the wheels. The open differential allows the wheels to turn at different rates of speed while the axle continues to transmit the driving force. This prevents tire scuffing when going around corners and premature wear on internal axle parts. The ring and pinion set and the differential are contained within the carrier. The axle identification number is located on top of the differential carrier assembly or on a label on the bottom of the right half of differential carrier assembly. The wheel drive shafts are completely flexible assemblies consisting of inner and outer constant velocity CV joints protected by thermoplastic boots and connected by a wheel drive shaft.

How To Install Repair Replace 4x4 Front Axle Actuator Chevy Trailblazer...

May 11, 2017 | 2003 GMC Envoy

1 Answer

Cant l get axle seal for rear end standard size doent fix this one small


Check the related help links to troubleshoot the problem:----
4x4 front differential will not engage the axle on ford? http://technoanswers.blogspot.in/2012/02/4x4-front-differential-will-not-engage.html

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How to replace Automatic Transaxle Assembly on Acura Car models? http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-automatic-transaxle.html

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How to replace Manual Transaxle Assembly on Acura Car models? http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-manual-transaxle.html

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CV AXLE stuck in Transmission?


http://technoanswers.blogspot.in/2012/04/cv-axle-stuck-in-transmission.html
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These will help.
Thanks.

Nov 22, 2012 | Ford Cars & Trucks

1 Answer

Why won't my front differential engage? 1988 Chevy


Ok I know this question is old but for any one else who has this problem, I want to clear some info up. GM did not use vacuum on the 4x4 systems on the full size series. Only used on the S series (S10, S Blazers). Here is how to accurately trouble shoot these problems with the full size 4x4. Remove the front actuator from the front axle ( keep it plugged up and let it hang). Put the T-Case in 4x4 Hi or Lo doesn't matter. Turn key on (don't start the engine) . Now check the actuator to see if it has extended. If (no) now check the plug to see if you have current . If you have current to the plug, change the actuator. Problem solved. If no current to the plug. Check for broken wires ( fix if any) If no broken wires. There is another switch on the T-Case that sends power to the actuator Replace it.. Back to the actuator.... If everything checked out and actuator works. With the T-Case locked in 4x4, try to turn the front drive shaft by hand. With the T-Case locked in 4x4 you shouldn't be able to turn the drive shaft. If drive shaft doesnt turn the T-Case is in good shape and the problem will be in the front differential. In these cases the most common problem is an exploded thrust washer. At this point the front differential needs to be rebuilt. Back to the T-Case..... With the T-Case locked in 4x4, if the drive shaft spins, the problem will be in the T-Case and at this point the T-Case will need rebuilt......... I hope you get the information you need to troubleshoot the GM 4x4 issues.

Feb 21, 2012 | 1988 Chevrolet K1500

1 Answer

98 Blazer 4WD front axel falling out of differential


I would dismantle the axle, fit new thrust bearings and anything else that is worn/damaged and reassemble/adjust clearance gaps to it, according to the service manual.

Mar 12, 2017 | 1998 Chevrolet Blazer

2 Answers

The 4x4 do not engage on my 1990 chevy pick up what do i need to check first


On the full size, the front actuator is electric, not vacuum.

When in 4wd mode, a switch on top of the transfer case conducts 12 volts out to the actuator. Wire #50 (brown) is the 12v feed, and it conducts to the light blue wire (#900) to the actuator.
When shifted out of 4wd, the switch opens up and no voltage goes to the actuator.

Check voltage at the connector for the front actuator (at the front differential - it looks like a large bullet that threads into the front diff.) If it has 12 volts, the actuator is the problem. If it does not have 12 volts, check the transfer case switch and the power feed to the transfer case.

I'll assume it is the actuator, if the plug to the actuator is getting 12 volts when in 4wd.
The way this actuator works, is it is a sealed chamber that gets heated by voltage. When it heats, the pin in the end swells and pushes a shift fork in the front differential. The shift fork engages a spline on the passenger side of the differential, and boom! you have 4WD.

GM offered an upgrade to this actuator that is a motor instead of a heated device. However, it requires a small harness addition, a spacer, and a new actuator. It is about a $150 to $200 option.

Good luck. The actuator is usually the problem 90% of time but recheck all of the wire harness just to maker sure there is no short before replacing any parts. The actuator may not be fully engaged or disengaged and the fork to the spline may be what is causing the grinding.

88-UP C/K ACTUATOR UPGRADE
VEHICLE SERVICED: 1994 CHEVROLET FULL SIZE
PURPOSE: IMPROVE AXLE CONNECT ENGAGEMENT TIME AND
COMPONENT RELIABILITY.

SYMPTOMS: NO FRONT DRIVE AXLE ENGAGEMENT WHEN SHIFTED INTO 4X4.

Obtain the following GM part numbers:
(1) 26060073 Actuator
(1) 88959465 Harness/Spacer Kit

Jan 20, 2010 | 1992 Chevrolet K1500

2 Answers

Torque specs


the center bolt for cv axle!103ft-lbs,hub bearing assembly bolts!77ft-lbs

Apr 26, 2009 | Chevrolet Blazer Cars & Trucks

1 Answer

1986 K5 Blazer front hub/axle problem


3 bolts from the back, axle nut and take the caliper off pretty easy.

Jan 20, 2009 | 1986 Chevrolet S-10 Blazer

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