How to Change the Spark Plugs on a 1998 Isuzu Trooper

Article provided by wikiHow, a wiki how-to manual

Steps

1. 1
   Purchase appropriate spark plugs for your year model Trooper. For the 98' Trooper the spark plug gap is 1.0 mm–1.1 mm(0.0394 in – 0.0433 in).

   
   
2. 2
   Purchase anti-seize compound
3. 3
   Park vehicle on flat surface and open hood.
4. 4
   Allow engine to cool before commencing work
5. 5
   Disconnect (-)negative battery terminal
6. 6
   

   Engine
   Remove plastic engine cover
7. 7
   Spray small amount of WD-40 at each pair of screws that hold the six ignition coils/caps in place.
8. 8
   

   8mm socket
   Remove all ignition coil cap screws with 8mm socket, store in a safe place.
9. 9
   Starting with the furthest ignition coil near the master brake cylinder, gently remove ignition coil tubing to expose spark plug. Try starting with this spark plug as it is the most difficult to reach and if you can't get this one out, you may as well not continue.
10. 10
    

    Universal Joint
    Carefully slide the 5/8 spark plug socket into spark plug chamber. Spark plug socket must be connected to a universal joint and ratchet, for you to succeed in removing it.
11. 11
    Once you catch spark plug turn ratchet counter-clock-wise to release it. Bring it out slowly and discard.
12. 12
    

    Anti-seize compound
    Apply anti-seize compound to thread of new spark plug and wipe access with towel.
13. 13
    

    Spark plug socket
    Inset new spark plug into socket and send down chamber. Turn clock-wise to tighten spark plug. Be careful not to over tighten!
14. 14
    Reinsert ignition coil tubing/cap into chamber.
15. 15
    Reinstall pair of screws and tighten firmly.
16. 16
    Repeat this process for remaining spark plugs.
17. 17
    Reconnect (-)negative battery terminal.
18. 18
    Start engine to verify motor is running smoothly with newly installed spark plugs.

    
    

Tips

• Purchase a 3/8" universal joint if you do not already own one, this will make it much easier to gain access to rear spark plugs.
• Clean ignition coil tubing with cloth before reinserting into hole.
• Apply anti-seize compound to spark plug threads to allow for easier removal in the future.

Ads by Google

Buy online Platinum wire

Pure pt 99.99% wires in stock Sizes from 0.0006mm fine micro wire
www.pgmetalshop.com

The all-new BMW X3

Discover extraordinary exclusivity Book your test drive
www.bmw.in/x3

Warnings

• Allow engine to cool before commencing any work!
• You must have a universal joint to get to spark plug near the master brake cylinder.

Things You'll Need

• New spark plugs
• Ratchet set(metric)
• 5/8" spark plug socket
• 3/8" universal joint
• Anti-seize compound
• Shop towel

Sources and Citations

• Universal joint http://media.digikey.com/Photos/Wiha/MFG_60257.jpg
• NGK Spark plugs for 98' Isuzu Trooperhttp://www.ngksparkplugs.com/part_finder/car_truck_suv/results.asp?engineid=28101
• http://wiki.answers.com/Q/How_do_you_change_spark_plugs_on_a_Isuzu_trooper_3.5_V6

• Article provided by wikiHow, a wiki how-to manual. Please edit this article and find author credits at the original wikiHow article on How to Change the Spark Plugs on a 1998 Isuzu Trooper . All content on wikiHow can be shared under a Creative Commons license.