North American Turbocoupe Organization



Problem with K&N Installation!!
1988Turboman Offline
Member
#1
I have removed the old airbox all the way to the big plastic hose going to my turbo-charger but now my check engine light is on. Does it have anything to do with some sensor or some kind of plug-in on the air-box..??? Thanks Guys
Jason
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SteveX82 Offline
Posting Freak
#2
Quote:Originally posted by 1988Turboman:
I have removed the old airbox ***all the way to the big plastic hose going to my turbo-charger***

Do you mean to imply that you removed the VAM too? That's the big metal box that should be at the other end of that rubber tube running from the compressor end of the turbo. If it's still attached, make sure the electrical connection to it is still plugged in.
Estoril blue 1987 TC 5spd, 148k mi, a237, Bailey BOV, spec stg3 clutch, spearco FMIC, 50 trim t3/t4, 3" exhaust, Bamafuel, LM1, 55pph
Best 1/4 mile: 12.31 @ 110mph on 25psi
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1988Turboman Offline
Member
#3
Was I supposed to remove the whole VAM or?? Do i just disconnect the electrical thinge and leave it there? Thanks for any output!!
Jason
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Pete D Offline
Posting Freak
#4
Jason,
You leave the VAM attached to the hose going to the compressor and leave the electrical connector connected to the VAM. You do not remove the VAM. Remove only the stock air box, The plastic tubing from the fender well to the air box and the plastic tubing from the bottom of the air box to the front of the VAM.

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88 TC X 2, 86 SVO, Main TC with K&N, 3"DP to 2.5"duals through Dynamax, Ric valve at 17+ and disconnected KS.
Elite Bodega 16" chrome wheels. Autometer pod w/ A/F and Vac/boost gauges. New engine: Total Seal rings and TRW pistons, ported and polished head w/ cc'd chambers,1.59"exhausts, SS valves, gutted upper, knife edged lower, A-230 cam, Race Engineering Adj Cam Sprocket, Crowlers, ARP head studs, and rod bolts. Walbro 190 pump and T-3. Centerforce II, KB subs and jack rails.
Pete Dunham
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1988Turboman Offline
Member
#5
The reason i thought to remove the whole airbox (VAM) is because in the tech articles the cold air induction has it removed (or at least it looks like it. Heres what im doing, From the turbo there is a plastic hose going to the air box and i figured to remove the old air box and all and just have a 6' K&N cone attached there. IS THIS RIGHT PLEASE HELP!!! i cant stand the little things and easiest thing that take FOREVER but i figure if i can do a heater core in this car by myself with no book or help i can do anything!!!!!! Thanks AGAIN jason
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Pete D Offline
Posting Freak
#6
I think I see where the misunderstanding is.
The "air box" is the metal container that the
stock air filter fit into. That gets removed for the K&N install. The VAM is the heavy metal thing that has a hose on the back of it that connects to the turbo. The VAM is a necessary part of the system. It must remain connected to the turbo and the electrical connector to the VAM must be plugged in.

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88 TC X 2, 86 SVO, Main TC with K&N, 3"DP to 2.5"duals through Dynamax, Ric valve at 17+ and disconnected KS.
Elite Bodega 16" chrome wheels. Autometer pod w/ A/F and Vac/boost gauges. New engine: Total Seal rings and TRW pistons, ported and polished head w/ cc'd chambers,1.59"exhausts, SS valves, gutted upper, knife edged lower, A-230 cam, Race Engineering Adj Cam Sprocket, Crowlers, ARP head studs, and rod bolts. Walbro 190 pump and T-3. Centerforce II, KB subs and jack rails.
Pete Dunham
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SteveX82 Offline
Posting Freak
#7
Let's start from the beginning (you seem to be confused about what the "airbox" is). From your turbo compressor housing there is a foot-long peice of flexible plastic tubing running to the VAM (a metal box about 6" x 6" x 4" tall with a little black cap on top of it and a 2" long electrical connection on the side facing the engine). Then there is/was a 90º plastic elbow leading from the end of the VAM upwards to the intake box in which your original air filter was. All you had to remove was this ovular, black metal intake box which housed the original air filter and the 90º plastic elbow below it leading to the VAM. You will then be left with the turbo, the foot long peice of plastic tubing, and then the VAM at the other end of the tubing (yes, leave the VAM connected). You want to mount the k&n cone right on the other end of the VAM (facing the front of the car). That's it. If you're still having trouble figuring it all out, just check out the 2nd and 3rd pictures of Jonathan Insley's TC in the Showroom section of this site. It shows pretty clearly the progression from the turbo to the filter. good luck.


[This message has been edited by SteveX82 (edited 07-31-2001).]
Estoril blue 1987 TC 5spd, 148k mi, a237, Bailey BOV, spec stg3 clutch, spearco FMIC, 50 trim t3/t4, 3" exhaust, Bamafuel, LM1, 55pph
Best 1/4 mile: 12.31 @ 110mph on 25psi
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1988Turboman Offline
Member
#8
MAN!! this web page is the best for tc every problem i have solved with you guys the little and big thanks again!!
Jason
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