Question about 1998 Chevrolet S-10 Pickup

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How do you replace the heater core on a 1998 S10 pickup

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I am a GM Certified Auto Service Technician. You need to loosen steering column, take apart all dash components, pull back complete dash then you have to sneak core out and then in new one. Tough job. Have done twice. Hated it both times.

Posted on Jan 29, 2010

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Its a little bit of work but i know you can do it stop by your local library and get your hands on a Haynes auto repair Manual for your truck wish you the best of luck Michigan Man.

Posted on Dec 11, 2009

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97% of the time, your heater core is located rediculously in the wrong spot which is right behind the glove box inside the dash board. This task is not easy at all and it is not for the faint of heart. You're better off having a licensed technician to do the job for you. Yes, it will cost a bit but the headache and aggrevation will you save in a long run.

Posted on Dec 11, 2009

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Posted on Jan 02, 2017

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SOURCE: haveing trouble getting to my heater core on 95

The entire dash has to come part way or all of the way out. to gain access.

Posted on Oct 17, 2009

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SOURCE: heater core

http://www.autozone.com/shopping/repairGuide.htm?pageId=0900c152800bfedd

Posted on Dec 01, 2008

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SOURCE: 2001 chevy blazer s10 need to replace heater core

http://www.fixya.com/cars/t3722263-change_heater_core_in_2001_chevy_blazer

Posted on Dec 31, 2009

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SOURCE: 1998 chevy k1500 pickup blows cold air out of heat

Heater control valve(mixing valve) or motor on your blend door.

Posted on Jan 19, 2010

ZJLimited
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SOURCE: trying to replace heater core 1994 s10 4 cyl

GM S-Series Pick-ups and SUV's 1994-1999 Repair Guide



Heater Core - REMOVAL & INSTALLATION
1994-97 Vehicles
(see Figure 1)

44d2ba8.jpg

Fig. 1: Exploded view of a common heater core and case assembly

  1. Disconnect the negative battery cable and properly drain the engine cooling system to a level below the heater core.
  2. Disconnect the heater hoses from the core tubes near the cowl.
The instrument panel carrier is designed not only to provide access to parts through removal of the carrier components, but the carrier will also tilt downward as a complete assembly to allow access from the top. If this is desired, remove the retainer screws along the top and bottom of the carrier assembly (refer to the figure). The instrument panel will then tilt as an assembly into the cab. It is necessary to unbolt and lower the steering column from the carrier to allow for maximum movement of the instrument panel.
  1. The instrument panel must be removed or repositioned for access to the heater core case. Unbolt and either tilt the instrument panel forward or disengage the instrument panel components and remove the panel from the vehicle. In most cases, tilting the panel forward should be sufficient for the necessary access.
  2. Unfasten the heater core rear case retaining screws, then remove the rear case for access to the heater core.
  3. Loosen the retainers and remove the heater core retaining straps.
  4. Remove the heater core and seals.
To install:
  1. Install the heater core and seals, taking care not to damage the core tubes when inserting them through the cowl.
  2. Install and secure the core retaining straps.
  3. Install the rear case and secure using the screws.
  4. Reposition and secure the instrument panel and components. Tighten the cowl screws to 17 inch lbs. (1.9 Nm) and the lower instrument panel screws to 66 inch lbs. (7.5 Nm).
  5. Connect the heater hoses to the core tubes.
  6. Connect the negative battery cable, then properly refill the engine cooling system.
  7. Run the engine at normal operating temperature, then check for leaks.

Good luck (remember rated this post).

Posted on May 19, 2010

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